/* ============================================================
   FattureAI — Page-specific Styles
   Homepage, Guides, Pricing, SEO pages
   ============================================================ */

/* ========== HOMEPAGE HERO ========== */

.page-home .hero {
    padding: var(--space-20) var(--space-6) var(--space-12);
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(170deg, #020617 0%, #0C1222 35%, #0F172A 60%, #112230 100%);
}

@media (min-width: 768px) {
    .page-home .hero {
        padding: var(--space-24) var(--space-6) var(--space-16);
    }
}

.page-home .hero-title {
    font-size: var(--text-6xl);
    letter-spacing: -0.04em;
    line-height: 1.08;
}

.page-home .hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-home .hero-subtitle {
    font-size: var(--text-lg);
    max-width: 560px;
    opacity: 0.7;
    line-height: var(--leading-relaxed);
}

/* Glowing orbs */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 0;
}

.hero-glow--teal {
    width: 600px;
    height: 600px;
    top: -15%;
    right: -10%;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.12) 0%, transparent 70%);
}

.hero-glow--amber {
    width: 400px;
    height: 400px;
    bottom: -10%;
    left: -5%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
}

/* Dot grid background */
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
}

/* Badge dot */
.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary-light);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
    display: inline-block;
}

.hero .badge-primary {
    background: rgba(13, 148, 136, 0.15);
    border-color: rgba(13, 148, 136, 0.3);
    color: var(--color-primary-200);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ========== DEMO WINDOW ========== */
.demo-window {
    max-width: 820px;
    margin: var(--space-12) auto 0;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.04),
        0 20px 60px -12px rgba(0, 0, 0, 0.5),
        0 0 80px rgba(13, 148, 136, 0.06);
}

.demo-topbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--color-dark-border);
}

.demo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.demo-topbar-title {
    margin-left: auto;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.3);
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.demo-body {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    padding: var(--space-6);
    align-items: center;
}

@media (max-width: 639px) {
    .demo-body {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .demo-arrow-col {
        display: flex;
        flex-direction: row !important;
        justify-content: center;
        gap: var(--space-3);
    }
}

.demo-input-side,
.demo-output-side {
    padding: var(--space-4);
}

.demo-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--space-3);
}

.demo-text-block {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.75);
    line-height: var(--leading-relaxed);
    font-style: italic;
    position: relative;
    padding-left: var(--space-3);
    border-left: 2px solid var(--color-accent);
}

.demo-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--color-accent);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-right: 2px;
}

@keyframes blink {
    50% { opacity: 0; }
}

.demo-arrow-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-4);
}

.demo-arrow-pulse {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 20px rgba(13, 148, 136, 0.3);
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(13, 148, 136, 0.3); }
    50% { box-shadow: 0 0 35px rgba(13, 148, 136, 0.5); }
}

.demo-arrow-label {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.demo-xml-block {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
    background: rgba(0,0,0,0.2);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
}

.demo-xml-block strong {
    color: var(--color-primary-light);
    font-weight: 500;
}

.demo-xml-block code {
    display: block;
    font-family: inherit;
}

.demo-badges {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

/* ========== AUDIENCE LINKS (clickable feature cards) ========== */
.audience-link {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
}

.audience-link .card-arrow {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    transition: transform var(--transition-base), color var(--transition-base);
}

.audience-link:hover .card-arrow {
    transform: translateX(4px);
    color: var(--color-primary);
}

/* ========== SECTION ALTERNATING BG ========== */
.section-alt {
    background: var(--color-bg);
}

/* ========== EXAMPLES ========== */
.examples-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

@media (min-width: 640px) {
    .examples-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .examples-grid { grid-template-columns: repeat(3, 1fr); }
}

.example-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.example-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-md);
}

.example-input {
    font-size: var(--text-sm);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    font-style: italic;
    line-height: var(--leading-relaxed);
}

.example-output {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 600;
}

/* ========== PRICING PAGE ========== */
.page-pricing .hero {
    padding-bottom: var(--space-12);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.pricing-toggle-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.pricing-toggle-label.is-active {
    color: var(--color-text);
}

.pricing-toggle-switch {
    width: 48px;
    height: 26px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background var(--transition-base);
}

.pricing-toggle-switch.is-active {
    background: var(--color-primary);
}

.pricing-toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.pricing-toggle-switch.is-active::after {
    transform: translateX(22px);
}

.pricing-save-badge {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-success);
    background: var(--color-success-bg);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
}

.pricing-faq {
    max-width: 800px;
    margin: 0 auto;
}

/* ========== GUIDE / ARTICLE PAGES ========== */
.page-guide .hero {
    padding: var(--space-12) var(--space-6);
}

@media (min-width: 768px) {
    .page-guide .hero {
        padding: var(--space-16) var(--space-6);
    }
}

.guide-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    font-size: var(--text-sm);
    margin-top: var(--space-4);
}

.guide-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-secondary);
}

.hero-light .guide-meta-item {
    color: var(--color-text-secondary);
}

.hero-gradient .guide-meta-item {
    color: rgba(255, 255, 255, 0.7);
}

/* Article content */
.article-content {
    max-width: 740px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
}

.article-content h2 {
    font-size: var(--text-3xl);
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.article-content h2:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.article-content h3 {
    font-size: var(--text-2xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.article-content p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-5);
    padding-left: var(--space-6);
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2);
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

.article-content a:hover {
    color: var(--color-primary-dark);
}

.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    margin: var(--space-6) 0;
    padding: var(--space-4) var(--space-6);
    background: var(--color-primary-50);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
    color: var(--color-text);
    margin-bottom: 0;
    font-style: italic;
}

.article-content code {
    font-family: var(--font-mono);
    background: #F1F5F9;
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.875em;
    color: var(--color-primary-darker);
}

.article-content pre {
    background: #0F172A;
    color: #E2E8F0;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--space-6) 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: var(--text-sm);
}

.article-content img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin: var(--space-6) 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-6) 0;
    font-size: var(--text-sm);
}

.article-content th,
.article-content td {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    text-align: left;
}

.article-content th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

/* Table of contents sidebar */
.article-toc {
    position: sticky;
    top: 80px;
    font-size: var(--text-sm);
}

.article-toc-title {
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.article-toc-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.article-toc-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-1) 0;
    border-left: 2px solid transparent;
    padding-left: var(--space-3);
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.article-toc-link:hover {
    color: var(--color-primary);
}

.article-toc-link.is-active {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 500;
}

/* ========== GUIDES INDEX / BLOG INDEX ========== */
.guides-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .guides-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .guides-grid { grid-template-columns: repeat(3, 1fr); }
}

.guide-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

.guide-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.guide-card-image {
    aspect-ratio: 16 / 9;
    background: var(--color-bg);
    overflow: hidden;
}

.guide-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.guide-card:hover .guide-card-image img {
    transform: scale(1.05);
}

.guide-card-body {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.guide-card-category {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-2);
}

.guide-card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
    line-height: var(--leading-snug);
}

.guide-card-title a {
    color: inherit;
    text-decoration: none;
}

.guide-card-title a:hover {
    color: var(--color-primary);
}

.guide-card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    flex: 1;
    margin-bottom: var(--space-4);
}

.guide-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

/* ========== FEATURE SPLIT ========== */
.feature-split {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    align-items: center;
}

@media (min-width: 768px) {
    .feature-split {
        flex-direction: row;
        gap: var(--space-16);
    }

    .feature-split.is-reversed {
        flex-direction: row-reverse;
    }
}

.feature-split-content { flex: 1; }

.feature-split-content h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.feature-split-content p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.feature-split-visual {
    flex: 1;
    max-width: 480px;
}

.feature-split-visual img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Feature list with checkmarks */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text);
}

.feature-list-check {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: var(--color-success-bg);
    color: var(--color-success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 1px;
}

.feature-list-check::before {
    content: '\2713';
}

/* ========== CONTACT PAGE ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
}

@media (min-width: 768px) {
    .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.contact-info-card p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ========== 404 ========== */
.page-error {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    text-align: center;
    padding: var(--space-8);
}

.error-code {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 700;
    color: var(--color-primary-100);
    line-height: 1;
    margin-bottom: var(--space-4);
}

.page-error h1 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.page-error p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

/* ========== LEGAL ========== */
.legal-content {
    max-width: 740px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
}

.legal-content h1 { margin-bottom: var(--space-8); }

.legal-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.legal-content h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

.legal-content p,
.legal-content li {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.legal-content ul {
    list-style: disc;
    padding-left: var(--space-6);
}

.legal-content ol {
    list-style: decimal;
    padding-left: var(--space-6);
}

.legal-content .last-updated {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--space-8);
}

/* ========== BREADCRUMB BAR ========== */
.breadcrumb-bar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
}

/* ========== ILLUSTRATIONS (come-funziona page) ========== */
.css-illustration {
    width: 100%;
}

.illustration-window {
    background: #0F172A;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.illustration-dots {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.illustration-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.illustration-dots span:nth-child(1) { background: #EF4444; }
.illustration-dots span:nth-child(2) { background: #F59E0B; }
.illustration-dots span:nth-child(3) { background: #10B981; }

.illustration-content {
    padding: var(--space-6);
}

.illustration-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--space-3);
}

.illustration-text {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.75);
    line-height: var(--leading-relaxed);
    font-style: italic;
    padding-left: var(--space-3);
    border-left: 2px solid var(--color-accent);
}

.illustration-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.5);
    background: rgba(0,0,0,0.3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
}

.code-tag { color: var(--color-primary-light); }
.code-indent { padding-left: 1.5rem; display: inline-block; }
.code-indent2 { padding-left: 3rem; display: inline-block; color: rgba(255,255,255,0.7); }

.illustration-invoice {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.inv-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.inv-row span:last-child {
    font-family: var(--font-mono);
    color: rgba(255,255,255,0.8);
}

.inv-total {
    border-top: 2px solid var(--color-primary);
    border-bottom: none;
    padding-top: var(--space-3);
    margin-top: var(--space-2);
}

.inv-total span {
    color: #fff;
    font-weight: 700;
    font-size: var(--text-base);
}

.illustration-files {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.7);
    transition: border-color var(--transition-fast);
}

.file-item:hover { border-color: var(--color-primary); }

.file-xml::before {
    content: 'XML';
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    font-family: var(--font-sans);
    margin-right: var(--space-2);
}

.file-pdf::before {
    content: 'PDF';
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-error);
    color: #fff;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    font-family: var(--font-sans);
    margin-right: var(--space-2);
}

/* Result rows (come-funziona example) */
.result-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.result-row span:first-child {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.result-row span:last-child {
    color: var(--color-text);
    font-weight: 600;
}

.result-total {
    border-top: 2px solid var(--color-primary);
    border-bottom: none;
    padding-top: var(--space-3);
    margin-top: var(--space-2);
}

.result-total span { font-size: var(--text-base); }
.result-total span:last-child { color: var(--color-primary); font-weight: 700; }

/* ========== PRICING TOGGLE ========== */
.toggle-switch {
    width: 52px;
    height: 28px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    border: none;
    transition: background var(--transition-base);
}

.toggle-switch.active { background: var(--color-primary); }

.toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-xs);
    pointer-events: none;
}

.toggle-switch.active .toggle-knob { transform: translateX(24px); }

.toggle-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.toggle-active { color: var(--color-text); font-weight: 600; }

.price-annual-note {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

/* ========== GUIDE GRID & HUB ========== */
.guide-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

@media (min-width: 640px) { .guide-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .guide-grid { grid-template-columns: repeat(3, 1fr); } }

.hero-mini {
    padding: var(--space-12) var(--space-6);
    background: linear-gradient(165deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    color: var(--color-text-inverse);
}

.hero-mini h1 { font-size: var(--text-4xl); font-weight: 700; margin-bottom: var(--space-3); }
.hero-mini p { font-size: var(--text-lg); opacity: 0.85; max-width: 640px; margin: 0 auto; }

/* ========== CTA BOX (inline CTA) ========== */
.cta-box {
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-bg) 100%);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-xl);
    padding: var(--space-10) var(--space-8);
}

.cta-box h2 { font-size: var(--text-2xl); margin-bottom: var(--space-3); }

.cta-box p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-box .btn-primary.btn-large,
.cta-box .btn-cta { font-size: var(--text-base); padding: 0.875rem 2rem; }

/* ========== CODE TABS (API pages) ========== */
.code-tabs {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface);
}

.code-tabs-nav {
    display: flex;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
}

.code-tab-btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.code-tab-btn:hover { color: var(--color-text); }

.code-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: var(--color-surface);
}

.code-tab-panel { display: none; }
.code-tab-panel.active { display: block; }
.code-tab-panel pre { margin: 0; border-radius: 0; }

/* ============================================================
   AUTH PAGES — Split-screen login/register
   ============================================================ */

.auth-page {
    background: var(--color-bg);
    min-height: 100vh;
}

/* ========== SPLIT LAYOUT ========== */
.auth-split {
    display: flex;
    min-height: 100vh;
}

.auth-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-6);
    overflow-y: auto;
    max-height: 100vh;
}

.auth-form-inner {
    width: 100%;
    max-width: 480px;
}

.auth-promo-side {
    display: none;
    flex: 1;
    position: relative;
    overflow: hidden;
    background: linear-gradient(170deg, #020617 0%, #0C1222 35%, #0F172A 60%, #112230 100%);
    color: var(--color-text-inverse);
}

@media (min-width: 1024px) {
    .auth-promo-side {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

.auth-promo-inner {
    position: relative;
    padding: var(--space-12);
    max-width: 540px;
    z-index: 1;
}

.auth-promo-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.auth-promo-glow--teal {
    width: 500px;
    height: 500px;
    top: -10%;
    right: -15%;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, transparent 70%);
}

.auth-promo-glow--amber {
    width: 350px;
    height: 350px;
    bottom: -5%;
    left: -10%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
}

.auth-promo-content {
    position: relative;
    z-index: 1;
}

.auth-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.375rem 1rem;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary-200);
    background: rgba(13, 148, 136, 0.15);
    border: 1px solid rgba(13, 148, 136, 0.3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-8);
}

.auth-promo-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-4);
    color: #FFFFFF;
}

.auth-promo-title .highlight {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-promo-subtitle {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.65);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.auth-promo-stats {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.auth-promo-stat {
    display: flex;
    flex-direction: column;
}

.auth-promo-stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: var(--tracking-tight);
}

.auth-promo-stat-label {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--space-1);
}

.auth-promo-testimonial {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.auth-promo-testimonial-text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
    line-height: var(--leading-relaxed);
    font-style: italic;
    margin-bottom: var(--space-4);
}

.auth-promo-testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.auth-promo-testimonial-author .testimonial-avatar {
    width: 40px;
    height: 40px;
    font-size: var(--text-sm);
    background: rgba(13, 148, 136, 0.2);
    color: var(--color-primary-light);
}

.auth-promo-testimonial-author .testimonial-name {
    color: #FFFFFF;
}

.auth-promo-testimonial-author .testimonial-role {
    color: rgba(255, 255, 255, 0.5);
}

.auth-promo-trust {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.4);
}

.auth-promo-trust svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
}

/* ========== AUTH LOGO ========== */
.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 400;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-8);
}

.auth-logo:hover {
    color: var(--color-primary);
}

/* ========== AUTH CARD ========== */
.auth-card {
    width: 100%;
}

.auth-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    letter-spacing: var(--tracking-tight);
}

.auth-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.auth-subtitle strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ========== AUTH FORM ========== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

/* ========== FIELD GROUP ========== */
.field-group {
    margin-bottom: var(--space-4);
}

.field-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.field-label-row .form-label {
    margin-bottom: 0;
}

.field-link {
    font-size: var(--text-xs);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.field-link:hover {
    color: var(--color-primary-dark);
}

.field-required {
    color: var(--color-error);
    font-weight: 400;
}

.field-optional {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: var(--text-xs);
}

.field-hint {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
    line-height: 1.4;
}

.field-hint svg {
    flex-shrink: 0;
    opacity: 0.6;
}

/* ========== FIELD ROW (side by side) ========== */
.field-row {
    display: flex;
    gap: var(--space-4);
}

.field-row > .field-group {
    flex: 1;
    min-width: 0;
}

.field-row--3 {
    display: flex;
    gap: var(--space-4);
}

.field-row--3 > .field-group {
    flex: 1;
    min-width: 0;
}

@media (max-width: 480px) {
    .field-row {
        flex-direction: column;
        gap: 0;
    }
    .field-row--3 {
        flex-wrap: wrap;
    }
}

/* ========== PASSWORD FIELD ========== */
.field-password-wrap {
    position: relative;
}

.field-password-wrap .form-input {
    padding-right: 3rem;
}

.field-password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.field-password-toggle:hover {
    color: var(--color-text);
}

/* ========== PASSWORD STRENGTH ========== */
.password-strength {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-2);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.password-strength.is-visible {
    opacity: 1;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-full);
    transition: width var(--transition-base), background-color var(--transition-base);
}

.password-strength-fill.strength-weak {
    width: 25%;
    background: var(--color-error);
}

.password-strength-fill.strength-fair {
    width: 50%;
    background: var(--color-warning);
}

.password-strength-fill.strength-good {
    width: 75%;
    background: #22D3EE;
}

.password-strength-fill.strength-strong {
    width: 100%;
    background: var(--color-success);
}

.password-strength-text {
    font-size: var(--text-xs);
    font-weight: 500;
    white-space: nowrap;
    min-width: 52px;
    text-align: right;
}

.password-strength-text.strength-weak { color: var(--color-error); }
.password-strength-text.strength-fair { color: var(--color-warning); }
.password-strength-text.strength-good { color: #22D3EE; }
.password-strength-text.strength-strong { color: var(--color-success); }

/* ========== FIELD VALID ========== */
.form-input.field-valid,
.form-select.field-valid {
    border-color: var(--color-success);
}

.form-input.field-valid:focus,
.form-select.field-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input.field-error {
    border-color: var(--color-error);
}

.form-input.field-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ========== AUTH CONSENTS (GDPR) ========== */
.auth-consents {
    margin-top: var(--space-2);
    margin-bottom: var(--space-4);
}

.auth-consent-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.auth-consent-check {
    flex-shrink: 0;
    margin-top: 3px;
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

.auth-consent-label a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.auth-consent-label a:hover {
    color: var(--color-primary-dark);
}

/* ========== AUTH SWITCH ========== */
.auth-switch {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.auth-switch-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-switch-link:hover {
    color: var(--color-primary-dark);
}

/* ========== PROGRESS BAR ========== */
.auth-progress {
    margin-bottom: var(--space-6);
}

.auth-progress-bar {
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-3);
}

.auth-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-progress-steps {
    display: flex;
    justify-content: space-between;
}

.auth-progress-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-base);
}

.auth-progress-step.is-active {
    color: var(--color-primary);
}

.auth-progress-step.is-completed {
    color: var(--color-success);
}

.auth-progress-step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.auth-progress-step.is-active .auth-progress-step-dot {
    background: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.auth-progress-step.is-completed .auth-progress-step-dot {
    background: var(--color-success);
}

/* ========== AUTH STEPS ========== */
.auth-step {
    display: none;
    animation: authStepIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-step.is-active {
    display: block;
}

@keyframes authStepIn {
    from {
        opacity: 0;
        transform: translateX(24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.auth-step-success {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-success-text);
    margin-bottom: var(--space-5);
    line-height: 1.4;
}

.auth-step-success svg {
    flex-shrink: 0;
}

/* ========== SKIP LINK ========== */
.auth-skip-link {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    transition: color var(--transition-fast);
}

.auth-skip-link:hover {
    color: var(--color-text-secondary);
}

/* ========== TRUST BADGE ========== */
.auth-trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.auth-trust-badge svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ========== INVOICE PREVIEW ========== */
.auth-invoice-preview {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    overflow: hidden;
}

.auth-invoice-preview-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.auth-invoice-preview-body {
    padding: var(--space-3) var(--space-4);
}

.auth-invoice-preview-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-1) 0;
    font-size: var(--text-sm);
}

.auth-invoice-preview-label {
    color: var(--color-text-muted);
    font-weight: 500;
}

.auth-invoice-preview-value {
    color: var(--color-text);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

/* ========== RADIO CARD GROUP ========== */
.field-radio-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.field-radio-card {
    flex: 1;
    min-width: 60px;
    cursor: pointer;
}

.field-radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.field-radio-card-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-2);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
}

.field-radio-card input:checked + .field-radio-card-inner {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
    box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.1);
}

.field-radio-card:hover .field-radio-card-inner {
    border-color: var(--color-primary-200);
}

.field-radio-card-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

.field-radio-card input:checked + .field-radio-card-inner .field-radio-card-value {
    color: var(--color-primary);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1023px) {
    .auth-split {
        flex-direction: column;
    }

    .auth-form-side {
        max-height: none;
        padding: var(--space-6);
        padding-top: var(--space-8);
    }
}

@media (max-width: 480px) {
    .auth-promo-stats {
        flex-direction: column;
        gap: var(--space-3);
    }

    .field-radio-group {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }
}


/* ============================================================
   APP AREA — Authenticated Pages
   Navigation, Dashboard, Invoice Generator, Profile
   ============================================================ */

/* ========== APP BODY ========== */
.app-body {
    background: var(--color-bg);
    min-height: 100vh;
}

/* ========== APP NAVIGATION ========== */
.app-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-dark-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.app-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 60px;
    gap: var(--space-6);
}

.app-nav .nav-logo {
    flex-shrink: 0;
}

.app-nav .nav-logo-text {
    color: var(--color-text-inverse);
}

.app-nav .nav-logo-text strong {
    color: var(--color-primary-light);
}

.app-nav .nav-logo:hover .nav-logo-text {
    color: var(--color-primary-light);
}

.app-nav-links {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

.app-nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 0.875rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

.app-nav-link:hover {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.08);
}

.app-nav-link.active {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.12);
}

.app-nav-link svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.app-nav-link.active svg,
.app-nav-link:hover svg {
    opacity: 1;
}

.app-nav-right {
    display: none;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

.app-nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.app-nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.app-nav-user-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-nav-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.app-nav-logout:hover {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.08);
}

.app-nav .nav-toggle {
    display: flex;
}

.app-nav .nav-toggle-icon span {
    background: var(--color-text-inverse);
}

.app-nav .nav-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Mobile nav */
.app-nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark-surface);
    border-bottom: 1px solid var(--color-dark-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    padding: var(--space-4) var(--space-6);
    z-index: var(--z-dropdown);
}

.app-nav-mobile.is-open {
    display: block;
}

.app-nav-mobile .nav-mobile-link {
    color: rgba(255, 255, 255, 0.6);
    border-bottom-color: var(--color-dark-border);
}

.app-nav-mobile .nav-mobile-link:hover,
.app-nav-mobile .nav-mobile-link.active {
    color: var(--color-text-inverse);
}

.app-nav-mobile-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-dark-border);
}

.app-nav-mobile-user .app-nav-user-name {
    color: var(--color-text-inverse);
    font-weight: 600;
}

@media (min-width: 768px) {
    .app-nav-links {
        display: flex;
    }
    .app-nav-right {
        display: flex;
    }
    .app-nav .nav-toggle {
        display: none;
    }
}

/* ========== APP MAIN ========== */
.app-main {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-8) var(--space-6) var(--space-16);
}

/* ========== DASHBOARD ========== */

/* Welcome header */
.dashboard-header-section {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.dashboard-welcome {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-1);
}

/* Stats cards */
.stats-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
    .stats-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.stat-card-icon--primary {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.stat-card-icon--accent {
    background: var(--color-accent-50);
    color: var(--color-accent-dark);
}

.stat-card-icon--success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.stat-card-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.stat-card-value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: var(--tracking-tight);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.stat-card-suffix {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* Usage progress bar */
.usage-progress {
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--space-3);
}

.usage-progress--sm {
    height: 4px;
}

.usage-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 2px;
}

.usage-progress-fill--warning {
    background: linear-gradient(90deg, var(--color-warning), #FBBF24);
}

/* Quick actions */
.quick-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
}

.quick-action-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
}

.quick-action-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.quick-action-card--primary {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-surface) 100%);
    border-color: var(--color-primary-100);
}

.quick-action-card--primary:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary);
}

.quick-action-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.quick-action-card--primary .quick-action-icon {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.quick-action-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.quick-action-desc {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

/* Invoice table */
.invoice-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
}

.invoice-table thead th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-bottom: 2px solid var(--color-border);
    background: var(--color-bg);
}

.invoice-table tbody td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
    vertical-align: middle;
}

.invoice-table tbody tr:nth-child(even) td {
    background: var(--color-bg);
}

.invoice-table tbody tr:hover td {
    background: var(--color-primary-50);
}

.invoice-table tbody tr:last-child td {
    border-bottom: none;
}

.invoice-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: var(--color-primary-50);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
}

.empty-state-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.empty-state-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* Upgrade banner */
.upgrade-banner {
    margin-top: var(--space-8);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-accent-50) 100%);
    border: 1px solid var(--color-primary-100);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.upgrade-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    flex-wrap: wrap;
}

/* ========== INVOICE GENERATOR ========== */

.generate-page {
    max-width: 720px;
    margin: 0 auto;
}

.generate-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.generate-plan-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.generate-plan-usage {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.generate-plan-usage .usage-progress {
    width: 80px;
}

/* Generation card */
.generate-card {
    margin-bottom: var(--space-6);
}

.generate-card:hover {
    transform: none;
}

.generate-form .form-label {
    margin-bottom: var(--space-3);
    font-size: var(--text-base);
}

.generate-textarea-wrap {
    position: relative;
    margin-bottom: var(--space-5);
}

.generate-textarea {
    min-height: 160px;
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    resize: vertical;
    padding-bottom: var(--space-8);
}

.generate-char-count {
    position: absolute;
    bottom: var(--space-3);
    right: var(--space-4);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    pointer-events: none;
    font-family: var(--font-mono);
}

/* Tips section */
.generate-tips {
    margin-bottom: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.generate-tips-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
    list-style: none;
}

.generate-tips-toggle:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

.generate-tips-chevron {
    margin-left: auto;
    transition: transform var(--transition-base);
}

.generate-tips[open] .generate-tips-chevron {
    transform: rotate(180deg);
}

.generate-tips-content {
    padding: 0 var(--space-5) var(--space-5);
}

.generate-tips-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
}

@media (min-width: 640px) {
    .generate-tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.generate-tip-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.generate-tip-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
}

.generate-tip-item strong {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
}

.generate-tip-item span {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

/* ── Spinner animation ── */
@keyframes gen-spin {
    to { transform: rotate(360deg); }
}
@keyframes gen-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes gen-slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes gen-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
}

.gen-spinner,
.gen-spinner-lg {
    animation: gen-spin 0.8s linear infinite;
}

/* Button loading state */
.btn-loading-state {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* ── Progress card ── */
.gen-progress {
    margin-bottom: var(--space-6);
}

.gen-progress-card {
    padding: var(--space-8);
    text-align: center;
}

.gen-progress-card:hover {
    transform: none;
}

.gen-progress-header {
    margin-bottom: var(--space-6);
}

.gen-progress-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.gen-progress-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--color-text);
}

.gen-progress-subtitle {
    animation: gen-pulse 2s ease-in-out infinite;
}

/* Progress bar */
.gen-progress-bar-wrap {
    max-width: 480px;
    margin: 0 auto;
}

.gen-progress-bar {
    height: 6px;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-5);
}

.gen-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    transition: width 0.15s ease;
    position: relative;
}

.gen-progress-bar-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: -1px;
    width: 12px;
    height: 8px;
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    box-shadow: 0 0 8px rgba(13, 148, 136, 0.5);
}

/* Steps */
.gen-progress-steps {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
}

.gen-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.gen-step span {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color 0.3s ease;
}

.gen-step.active span {
    color: var(--color-primary);
}

.gen-step.done span {
    color: var(--color-success);
}

.gen-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    transition: all 0.3s ease;
    position: relative;
}

.gen-step.active .gen-step-dot {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
}

.gen-step.done .gen-step-dot {
    background: var(--color-success);
}

.gen-step.done .gen-step-dot::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 3px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: white;
}

/* ── Result card ── */
.gen-result {
    margin-top: var(--space-6);
}

.gen-result-card {
    padding: var(--space-8);
    border: 1.5px solid var(--color-success-border);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03), rgba(13, 148, 136, 0.05));
}

.gen-result-card:hover {
    transform: none;
}

.gen-result-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.gen-result-check {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-success), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.gen-result-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.gen-result-meta {
    color: var(--color-text-secondary);
}

.gen-result-summary {
    margin-bottom: var(--space-5);
}

.gen-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.gen-result-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
}

.gen-result-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 2px;
}

.gen-result-value {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text);
}

.gen-result-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    line-height: var(--leading-relaxed);
}

.gen-result-note svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-primary);
}

.gen-result-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.gen-result-actions .btn {
    flex: 1;
    min-width: 160px;
    justify-content: center;
}

/* Legacy result-card (keep for compatibility) */
.result-card {
    margin-top: var(--space-6);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.result-card a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.result-card a:hover {
    text-decoration: none;
}

/* Payment card */
.payment-card {
    margin-top: var(--space-6);
}

.payment-card-inner {
    padding: var(--space-8);
}

.payment-card-inner:hover {
    transform: none;
}

.payment-stripe-element {
    padding: var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    transition: border-color var(--transition-fast);
}

.payment-stripe-element:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* ========== PROFILE ========== */

.profile-page {
    max-width: 720px;
    margin: 0 auto;
}

.profile-page-header {
    margin-bottom: var(--space-8);
}

.profile-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-xs);
}

.profile-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}

.profile-section-title svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.profile-readonly-field {
    position: relative;
}

.profile-readonly-field svg {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.profile-readonly-field .form-input {
    padding-left: var(--space-8);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

.profile-save {
    display: flex;
    justify-content: flex-end;
    padding-top: var(--space-2);
}

.profile-form .field-row {
    display: flex;
    gap: var(--space-4);
}

.profile-form .field-row > .field-group {
    flex: 1;
    min-width: 0;
}

@media (max-width: 640px) {
    .profile-form .field-row {
        flex-direction: column;
        gap: 0;
    }

    .profile-form .field-row[style] {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: unset !important;
    }

    .dashboard-header-section {
        flex-direction: column;
    }
}