:root {
    --flixfer-primary: #FF6B00;
    --flixfer-primary-dark: #E55F00;
    --flixfer-primary-light: #FF8533;
    --flixfer-dark: #1a1a2e;
    --flixfer-gray: #6c757d;
    --flixfer-light: #f8f9fa;
    --flixfer-radius: 12px;
    --flixfer-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --flixfer-transition: all 0.3s ease;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.text-primary { color: var(--flixfer-primary) !important; }
.bg-primary { background-color: var(--flixfer-primary) !important; }
.btn-primary {
    background-color: var(--flixfer-primary);
    border-color: var(--flixfer-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--flixfer-primary-dark);
    border-color: var(--flixfer-primary-dark);
}
.btn-outline-primary {
    color: var(--flixfer-primary);
    border-color: var(--flixfer-primary);
}
.btn-outline-primary:hover {
    background-color: var(--flixfer-primary);
    border-color: var(--flixfer-primary);
}

/* Navbar */
.navbar-flixfer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0,0,0,0.05);
    padding: 1rem 0;
}
.navbar-flixfer .navbar-collapse {
    gap: 1rem;
    position: relative;
}
.navbar-mobile-bar {
    display: grid;
    grid-template-columns: 2.75rem 1fr 2.75rem;
    align-items: center;
    min-height: 56px;
    column-gap: .75rem;
}
.navbar-brand-mobile {
    justify-self: center;
    min-width: 0;
}
.navbar-brand-mobile img {
    display: block;
    max-width: 100%;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--flixfer-primary) !important;
    letter-spacing: -0.5px;
}
.tools-offcanvas {
    --bs-offcanvas-width: 100vw;
    --bs-offcanvas-height: 100vh;
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
}

/* Hero */
.hero-section {
    min-height: 90vh;
    background: linear-gradient(135deg, #fff 0%, #fff5ee 50%, #ffe8d6 100%);
    display: flex;
    align-items: center;
    padding: 6rem 0 4rem;
}
.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    color: var(--flixfer-dark);
}
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--flixfer-gray);
    max-width: 600px;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed #ddd;
    border-radius: var(--flixfer-radius);
    padding: 3rem 2rem;
    text-align: center;
    background: #fff;
    transition: var(--flixfer-transition);
    cursor: pointer;
    position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--flixfer-primary);
    background: #fff8f3;
    transform: translateY(-2px);
    box-shadow: var(--flixfer-shadow);
}
.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}
.upload-icon {
    font-size: 3rem;
    color: var(--flixfer-primary);
    margin-bottom: 1rem;
}
.file-list {
    max-height: 200px;
    overflow-y: auto;
}
.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: var(--flixfer-light);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}
.progress-wrapper {
    display: none;
    margin-top: 1.5rem;
}
.progress-wrapper.active { display: block; }

/* Cards */
.feature-card, .pricing-card, .stat-card {
    background: #fff;
    border-radius: var(--flixfer-radius);
    padding: 2rem;
    box-shadow: var(--flixfer-shadow);
    transition: var(--flixfer-transition);
    height: 100%;
    border: 1px solid rgba(0,0,0,0.05);
}
.feature-card:hover, .pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(255, 107, 0, 0.15);
}
.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--flixfer-primary), var(--flixfer-primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Sections */
.section-padding { padding: 5rem 0; }
.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--flixfer-dark);
}
.section-subtitle {
    color: var(--flixfer-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Steps */
.step-number {
    width: 48px;
    height: 48px;
    background: var(--flixfer-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* FAQ */
.faq-item {
    border: 1px solid #eee;
    border-radius: var(--flixfer-radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.faq-question {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-answer {
    padding: 0 1.5rem 1.25rem;
    color: var(--flixfer-gray);
}

/* Footer */
.footer-flixfer {
    background: var(--flixfer-dark);
    color: rgba(255,255,255,0.7);
    padding: 5rem 0 2.5rem;
}
.footer-flixfer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}
.footer-flixfer a:hover { color: var(--flixfer-primary); }
.footer-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.5rem;
}
.footer-tool-column {
    padding: 0;
}
.footer-column-title {
    color: #fff !important;
    font-weight: 700;
}
.footer-column-description {
    font-size: .86rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: .9rem;
}
.footer-links-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: .35rem 1rem;
}
.footer-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

/* Dashboard */
.dashboard-sidebar {
    background: var(--flixfer-dark);
    min-height: 100vh;
    padding: 1.5rem 0;
}
.dashboard-sidebar .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    transition: var(--flixfer-transition);
}
.dashboard-sidebar .nav-link:hover,
.dashboard-sidebar .nav-link.active {
    color: #fff;
    background: rgba(255, 107, 0, 0.2);
    border-left: 3px solid var(--flixfer-primary);
}
.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--flixfer-primary);
}

/* Share page */
.share-hero {
    background: linear-gradient(135deg, var(--flixfer-dark) 0%, #2d2d44 100%);
    color: #fff;
    padding: 4rem 0;
}
.download-btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
}
.file-preview {
    border-radius: var(--flixfer-radius);
    overflow: hidden;
    background: #000;
    max-height: 400px;
}
.file-preview img, .file-preview video {
    max-width: 100%;
    max-height: 400px;
    display: block;
    margin: 0 auto;
}

/* QR Code */
#qrcode canvas { border-radius: 8px; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Ad slots */
.ad-slot {
    min-height: 90px;
    background: #f8f9fa;
    border: 1px dashed #dee2e6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #adb5bd;
    font-size: 0.85rem;
    margin: 1rem 0;
}

/* ===== Design System V2 ===== */
:root {
    --flixfer-surface: #f4f5f7;
    --flixfer-border: #e8eaed;
    --flixfer-text: #1a1a2e;
    --flixfer-text-muted: #6b7280;
}

body { background: #fff; color: var(--flixfer-text); }
.bg-surface { background: var(--flixfer-surface) !important; }

.brand-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--flixfer-primary), var(--flixfer-primary-light)); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }
.brand-icon.sm { width: 28px; height: 28px; font-size: .9rem; }

.btn-flixfer-primary { background: var(--flixfer-primary); border: none; color: #fff; font-weight: 600; border-radius: 10px; padding: .5rem 1.25rem; transition: var(--flixfer-transition); }
.btn-flixfer-primary:hover { background: var(--flixfer-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255,107,0,.3); }
.btn-flixfer-outline { background: transparent; border: 2px solid var(--flixfer-primary); color: var(--flixfer-primary); font-weight: 600; border-radius: 10px; }
.btn-flixfer-outline:hover { background: var(--flixfer-primary); color: #fff; }
.btn-flixfer-ghost { background: transparent; border: 1px solid var(--flixfer-border); color: var(--flixfer-text); border-radius: 10px; font-weight: 500; }
.btn-flixfer-ghost:hover { border-color: var(--flixfer-primary); color: var(--flixfer-primary); }
.btn-ghost-icon { background: transparent; border: none; color: var(--flixfer-text-muted); }
.link-flixfer { color: var(--flixfer-primary); font-weight: 600; text-decoration: none; }
.link-flixfer:hover { color: var(--flixfer-primary-dark); }

.flixfer-card { background: #fff; border-radius: 16px; padding: 1.5rem; box-shadow: 0 2px 16px rgba(0,0,0,.06); border: 1px solid var(--flixfer-border); }
.flixfer-badge { display: inline-block; background: rgba(255,107,0,.1); color: var(--flixfer-primary); font-size: .75rem; font-weight: 600; padding: .25rem .75rem; border-radius: 50px; }
.flixfer-badge.sm { font-size: .7rem; padding: .15rem .5rem; }
.flixfer-label { font-size: .85rem; font-weight: 500; color: var(--flixfer-text-muted); margin-bottom: .35rem; }
.flixfer-input { border: 1px solid var(--flixfer-border); border-radius: 10px; padding: .6rem 1rem; }
.flixfer-input:focus { border-color: var(--flixfer-primary); box-shadow: 0 0 0 3px rgba(255,107,0,.15); }

.navbar-flixfer .nav-link { font-weight: 500; color: var(--flixfer-text) !important; padding: .5rem 1rem !important; border-radius: 8px; }
.navbar-flixfer .nav-link.active, .navbar-flixfer .nav-link:hover { color: var(--flixfer-primary) !important; }
.navbar-flixfer .nav-link.active { position: relative; }
.navbar-flixfer .nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 1rem; right: 1rem; height: 2px; background: var(--flixfer-primary); border-radius: 2px; }
.nav-translate-btn {
    width: 2.7rem;
    height: 2.7rem;
    padding: 0;
}
.dropdown-tools .dropdown-toggle::after {
    margin-left: .5rem;
}
.dropdown-tools {
    position: relative;
}
.dropdown-tools .mega-menu {
    position: fixed !important;
    top: 80px !important;
    left: 50% !important;
    right: auto !important;
    width: min(1180px, calc(100vw - 1.5rem));
    border-radius: 20px;
    overflow: hidden;
    margin-top: 0;
    transform: translateX(-50%) !important;
    max-height: calc(100vh - 108px);
    overflow-y: auto;
    z-index: 1050;
}
.mega-menu-header {
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #fff8f3 0%, #ffffff 100%);
    border-bottom: 1px solid var(--flixfer-border);
}
.mega-menu-body {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
}
.mega-menu-column {
    padding: 1rem 1.1rem 1.15rem;
    border-right: 1px solid rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.mega-menu-column:nth-child(4n) {
    border-right: none;
}
.mega-menu-category {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-weight: 700;
    color: var(--flixfer-dark) !important;
    text-decoration: none;
    margin-bottom: .5rem;
}
.mega-menu-category i {
    color: var(--flixfer-primary);
}
.mega-menu-description {
    font-size: .84rem;
    color: var(--flixfer-text-muted);
    margin-bottom: .7rem;
}
.mega-menu-links {
    display: grid;
    gap: .35rem;
}
.mega-menu-link {
    color: var(--flixfer-text) !important;
    font-size: .92rem;
    text-decoration: none;
    padding: .2rem 0;
}
.mega-menu-link:hover {
    color: var(--flixfer-primary) !important;
}
.mobile-tools-menu {
    width: 100%;
    left: 0;
    margin-top: .75rem;
    border-radius: 18px;
    overflow: hidden;
}
.mobile-tools-actions {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #fff;
    padding-bottom: .75rem;
}
.mobile-tools-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}
.mobile-tools-list {
    display: grid;
    grid-template-columns: 1fr;
    padding: .5rem 0 .25rem;
    gap: .25rem;
}
.mobile-tools-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--flixfer-text) !important;
    padding: .7rem .8rem;
    border-radius: 12px;
    text-decoration: none;
}
.mobile-tools-item i {
    color: var(--flixfer-primary);
    font-size: 1.05rem;
}
.mobile-tools-item:hover {
    background: #fff8f3;
    color: var(--flixfer-primary) !important;
}
.nav-tools-icon {
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
}
.navbar-brand-mobile {
    z-index: 2;
}

.dropdown-tools .dropdown-toggle.btn-link {
    text-decoration: none;
    border: 0;
    box-shadow: none;
}

.dropdown-tools .dropdown-toggle.btn-link:hover,
.dropdown-tools .dropdown-toggle.btn-link:focus {
    color: var(--flixfer-primary) !important;
}

.tools-offcanvas .offcanvas-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 0;
    overflow: hidden;
    padding-bottom: 1rem;
}

.hero-section-v2 { padding: 7rem 0 4rem; background: linear-gradient(180deg, #fff 0%, #fff8f3 100%); }
.hero-headline-v2 { font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -.5px; }
.text-gradient { background: linear-gradient(135deg, var(--flixfer-primary), #ff9500); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-lead { font-size: 1.1rem; color: var(--flixfer-text-muted); max-width: 520px; margin: 1rem 0 1.5rem; }
.hero-features-list { list-style: none; padding: 0; margin: 0; }
.hero-features-list li { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; }
.hero-feature-icon { width: 44px; height: 44px; background: rgba(255,107,0,.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--flixfer-primary); flex-shrink: 0; }
.hero-features-list strong { display: block; font-size: .95rem; }
.hero-features-list span { font-size: .85rem; color: var(--flixfer-text-muted); }

.upload-card { padding: 2rem; }
.upload-trust { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; font-size: .8rem; color: var(--flixfer-text-muted); padding-top: 1rem; border-top: 1px solid var(--flixfer-border); }
.upload-trust i { color: var(--flixfer-primary); margin-right: .25rem; }
.flixfer-progress { height: 8px; border-radius: 50px; background: var(--flixfer-surface); }
.flixfer-progress .progress-bar { background: var(--flixfer-primary); border-radius: 50px; }

.section-flixfer { padding: 4.5rem 0; }
.section-heading { font-size: 2rem; font-weight: 800; letter-spacing: -.5px; }
.section-lead { color: var(--flixfer-text-muted); max-width: 560px; font-size: 1.05rem; }

.page-hero { padding: 7rem 0 2rem; background: linear-gradient(180deg, #fff8f3, #fff); }
.page-hero.compact { padding: 6rem 0 1.5rem; }
.page-title { font-size: 2.25rem; font-weight: 800; letter-spacing: -.5px; }
.page-lead { color: var(--flixfer-text-muted); font-size: 1.1rem; max-width: 600px; }

.feature-card-v2 .feature-icon-v2 { width: 48px; height: 48px; background: linear-gradient(135deg, var(--flixfer-primary), var(--flixfer-primary-light)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.25rem; margin-bottom: 1rem; }
.pricing-card-v2 { text-align: center; position: relative; }
.pricing-card-v2.featured { border: 2px solid var(--flixfer-primary); }
.price-display { font-size: 3rem; font-weight: 800; color: var(--flixfer-primary); }
.price-display.muted { color: var(--flixfer-text-muted); font-size: 2rem; }
.pricing-features { list-style: none; padding: 0; text-align: left; margin: 1.5rem 0; }
.pricing-features li { padding: .5rem 0; font-size: .9rem; }
.pricing-features i { color: var(--flixfer-primary); margin-right: .5rem; }

.faq-item-v2, .faq-item { border: 1px solid var(--flixfer-border); border-radius: 12px; margin-bottom: .75rem; overflow: hidden; background: #fff; }
.faq-question { padding: 1rem 1.25rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-answer { padding: 0 1.25rem 1rem; color: var(--flixfer-text-muted); font-size: .95rem; }

.tool-card { display: flex; align-items: center; gap: .75rem; padding: 1rem; background: #fff; border: 1px solid var(--flixfer-border); border-radius: 12px; text-decoration: none; color: inherit; transition: var(--flixfer-transition); height: 100%; }
.tool-card:hover { border-color: var(--flixfer-primary); box-shadow: 0 4px 16px rgba(255,107,0,.12); transform: translateY(-2px); color: inherit; }
.tool-card-icon { width: 40px; height: 40px; background: rgba(255,107,0,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--flixfer-primary); flex-shrink: 0; }
.tool-card-title { font-size: .9rem; font-weight: 600; margin: 0; }
.tool-mini-card { display: flex; flex-direction: column; align-items: center; gap: .5rem; padding: 1.25rem; background: #fff; border: 1px solid var(--flixfer-border); border-radius: 12px; text-decoration: none; color: inherit; transition: var(--flixfer-transition); }
.tool-mini-card:hover { border-color: var(--flixfer-primary); color: var(--flixfer-primary); }
.tool-mini-card i { font-size: 1.5rem; color: var(--flixfer-primary); }
.tool-page-icon { width: 56px; height: 56px; background: linear-gradient(135deg, var(--flixfer-primary), var(--flixfer-primary-light)); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.5rem; flex-shrink: 0; }

.search-flixfer { display: flex; align-items: center; gap: .5rem; background: #fff; border: 1px solid var(--flixfer-border); border-radius: 12px; padding: .35rem .35rem .35rem 1rem; }
.search-flixfer i { color: var(--flixfer-text-muted); }
.search-flixfer input { border: none; box-shadow: none; }
.search-flixfer input:focus { box-shadow: none; }

.table-flixfer th { font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; color: var(--flixfer-text-muted); font-weight: 600; border-bottom: 1px solid var(--flixfer-border); }
.table-flixfer td { vertical-align: middle; padding: 1rem .75rem; border-bottom: 1px solid var(--flixfer-border); }
.flixfer-table-card { background: #fff; border-radius: 16px; border: 1px solid var(--flixfer-border); overflow: hidden; }

.breadcrumb-flixfer .breadcrumb-item a { color: var(--flixfer-primary); text-decoration: none; }
.benefits-list { list-style: none; padding: 0; }
.benefits-list li { padding: .4rem 0; font-size: .9rem; }
.benefits-list i { margin-right: .5rem; }
.related-tool-link { display: flex; align-items: center; gap: .5rem; padding: .5rem; border-radius: 8px; text-decoration: none; color: inherit; font-size: .9rem; }
.related-tool-link:hover { background: var(--flixfer-surface); color: var(--flixfer-primary); }
.how-to-list { padding-left: 1.25rem; color: var(--flixfer-text-muted); }
.how-to-list li { margin-bottom: .5rem; }

.legal-content h2 { font-size: 1.15rem; font-weight: 700; margin-top: 1.5rem; }
.legal-content p, .legal-content li { color: var(--flixfer-text-muted); line-height: 1.7; }
.sitemap-links { list-style: none; padding: 0; }
.sitemap-links li { padding: .35rem 0; }
.sitemap-links a { color: var(--flixfer-primary); text-decoration: none; }

.footer-links li { margin-bottom: .5rem; }
.footer-links a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .9rem; }
.footer-links a:hover { color: var(--flixfer-primary); }
.trust-badge { font-size: .8rem; color: rgba(255,255,255,.6); }
.social-links a { color: rgba(255,255,255,.6); font-size: 1.1rem; }
.social-links a:hover { color: var(--flixfer-primary); }

.cookie-consent { position: fixed; bottom: 0; left: 0; right: 0; background: #fff; border-top: 1px solid var(--flixfer-border); box-shadow: 0 -4px 24px rgba(0,0,0,.1); z-index: 9999; padding: 1rem 0; }
.cookie-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.tool-workspace textarea, .tool-workspace .tool-output { font-family: 'Consolas', 'Monaco', monospace; font-size: .9rem; border-radius: 10px; border: 1px solid var(--flixfer-border); }
.tool-result { background: var(--flixfer-surface); border-radius: 10px; padding: 1rem; margin-top: 1rem; word-break: break-all; }

.dashboard-sidebar { background: var(--flixfer-dark); }
.dashboard-widget { background: #fff; border-radius: 16px; padding: 1.5rem; border: 1px solid var(--flixfer-border); }

.placeholder-page-icon { width: 64px; height: 64px; background: rgba(255,107,0,.1); border-radius: 16px; display: flex; align-items: center; justify-content: center; color: var(--flixfer-primary); font-size: 1.75rem; margin: 0 auto 1rem; }

/* Tool studio layouts */
.tool-workspace-studio { border: none; box-shadow: 0 4px 24px rgba(0,0,0,.08); }
.tool-studio { min-height: 520px; }
.studio-layout { display: grid; grid-template-columns: 220px 1fr 240px; min-height: 520px; }
.studio-panel { padding: 1.25rem; border-right: 1px solid var(--flixfer-border); background: var(--flixfer-surface); }
.studio-right { border-right: none; border-left: 1px solid var(--flixfer-border); }
.studio-center { padding: 1.25rem; background: #fff; display: flex; flex-direction: column; gap: 1rem; overflow: auto; }
.studio-panel-title { font-size: 1rem; font-weight: 700; margin: 0; }
.studio-subtitle { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--flixfer-text-muted); margin-bottom: .75rem; }
.studio-upload-zone { border: 2px dashed var(--flixfer-border); border-radius: 12px; padding: 1.5rem 1rem; text-align: center; transition: var(--flixfer-transition); cursor: pointer; }
.studio-upload-zone.dragover, .studio-upload-zone:hover { border-color: var(--flixfer-primary); background: rgba(255,107,0,.04); }
.studio-upload-zone i { font-size: 2rem; color: var(--flixfer-primary); display: block; margin-bottom: .5rem; }
.studio-upload-zone p { font-size: .85rem; color: var(--flixfer-text-muted); margin-bottom: .75rem; }
.studio-page-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: .75rem; flex: 1; align-content: start; }
.studio-page-card { position: relative; border: 2px solid var(--flixfer-border); border-radius: 10px; overflow: hidden; cursor: grab; transition: var(--flixfer-transition); background: #fff; }
.studio-page-card.selected { border-color: var(--flixfer-primary); box-shadow: 0 0 0 2px rgba(255,107,0,.2); }
.studio-page-card img { width: 100%; display: block; }
.studio-page-num { position: absolute; bottom: 4px; right: 6px; background: rgba(0,0,0,.6); color: #fff; font-size: .7rem; padding: 2px 6px; border-radius: 4px; }
.studio-page-check { position: absolute; top: 6px; left: 6px; z-index: 2; }
.studio-page-rot { position: absolute; top: 6px; right: 6px; background: var(--flixfer-primary); color: #fff; font-size: .65rem; padding: 2px 5px; border-radius: 4px; }
.studio-empty-state { grid-column: 1 / -1; text-align: center; padding: 3rem; color: var(--flixfer-text-muted); }
.studio-empty-state i { font-size: 3rem; color: var(--flixfer-primary); opacity: .4; display: block; margin-bottom: .5rem; }
.studio-toolbar { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.studio-toolbar-meta { margin-left: auto; font-size: .8rem; color: var(--flixfer-text-muted); }
.studio-recent-list { list-style: none; padding: 0; margin: 0; }
.studio-progress-steps { display: flex; flex-wrap: wrap; gap: .35rem; }
.studio-step { font-size: .75rem; padding: .25rem .5rem; border-radius: 6px; background: var(--flixfer-surface); color: var(--flixfer-text-muted); }
.studio-step.active { background: var(--flixfer-primary); color: #fff; }
.studio-step.done { background: #dcfce7; color: #166534; }
.studio-preview-wrap { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 280px; background: var(--flixfer-surface); border-radius: 12px; }
.studio-preview-img { max-width: 100%; max-height: 400px; border-radius: 8px; }
.compare-slider-wrap { margin-top: 1rem; }
.compare-slider { position: relative; overflow: hidden; border-radius: 12px; max-height: 400px; }
.compare-slider img { width: 100%; display: block; }
.compare-after { position: absolute; top: 0; left: 0; height: 100%; overflow: hidden; border-right: 2px solid var(--flixfer-primary); }
.compare-after img { height: 100%; width: auto; max-width: none; }
.compare-range { width: 100%; margin-top: .5rem; accent-color: var(--flixfer-primary); }
.compare-labels { display: flex; justify-content: space-between; font-size: .75rem; color: var(--flixfer-text-muted); margin-top: .25rem; }
.compression-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; padding: 1rem; background: var(--flixfer-surface); border-radius: 12px; }
.compression-stats strong { display: block; font-size: 1.1rem; }
@media (max-width: 992px) {
    .studio-layout { grid-template-columns: 1fr; }
    .studio-panel { border-right: none; border-bottom: 1px solid var(--flixfer-border); }
    .studio-right { border-left: none; border-top: 1px solid var(--flixfer-border); }
}

/* Flatpickr calendar theme */
.flatpickr-calendar { border-radius: 12px !important; box-shadow: 0 8px 32px rgba(0,0,0,.12) !important; border: 1px solid var(--flixfer-border) !important; }
.flatpickr-day.selected { background: var(--flixfer-primary) !important; border-color: var(--flixfer-primary) !important; }

/* Toast notifications */
.toast-container-flixfer { position: fixed; top: 1.25rem; right: 1.25rem; z-index: 10000; display: flex; flex-direction: column; gap: .5rem; max-width: 360px; }
.flixfer-toast { display: flex; align-items: center; gap: .75rem; padding: .875rem 1.125rem; background: #fff; border-radius: 12px; border: 1px solid var(--flixfer-border); box-shadow: 0 8px 32px rgba(0,0,0,.12); font-size: .9rem; opacity: 0; transform: translateX(1rem); transition: opacity .3s, transform .3s; }
.flixfer-toast.show { opacity: 1; transform: translateX(0); }
.flixfer-toast-success { border-left: 4px solid #22c55e; }
.flixfer-toast-error { border-left: 4px solid #ef4444; }
.flixfer-toast-info { border-left: 4px solid var(--flixfer-primary); }
.flixfer-toast-warning { border-left: 4px solid #f59e0b; }
.flixfer-toast i { font-size: 1.25rem; flex-shrink: 0; }
.flixfer-toast-success i { color: #22c55e; }
.flixfer-toast-error i { color: #ef4444; }
.flixfer-toast-info i { color: var(--flixfer-primary); }
.flixfer-toast-warning i { color: #f59e0b; }

/* Upload progress extras */
.upload-stats { display: flex; justify-content: space-between; font-size: .8rem; color: var(--flixfer-text-muted); margin-top: .35rem; }
.btn-flixfer-primary:disabled, .btn-flixfer-outline:disabled { opacity: .65; cursor: not-allowed; }

/* Focus / accessibility */
:focus-visible { outline: 2px solid var(--flixfer-primary); outline-offset: 2px; }
.btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible { box-shadow: 0 0 0 3px rgba(255,107,0,.25); }

/* Phase 5 — Premium UI refinements */
:root {
    --flixfer-surface: #f8f9fb;
    --flixfer-border: #e8ecf1;
    --flixfer-text-muted: #6b7280;
    --flixfer-shadow-md: 0 8px 32px rgba(0,0,0,.08);
    --flixfer-shadow-lg: 0 16px 48px rgba(255,107,0,.12);
}

body { padding-top: 72px; background: #fff; }
.brand-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--flixfer-primary), var(--flixfer-primary-light)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }
.brand-text { color: var(--flixfer-dark) !important; font-weight: 800; }
.navbar-flixfer .nav-link { font-weight: 500; color: #4b5563; padding: .5rem .85rem !important; position: relative; }
.navbar-flixfer .nav-link.active { color: var(--flixfer-primary) !important; }
.navbar-flixfer .nav-link.active::after { content: ''; position: absolute; bottom: 0; left: .85rem; right: .85rem; height: 2px; background: var(--flixfer-primary); border-radius: 2px; }

.flixfer-card { background: #fff; border-radius: 16px; border: 1px solid var(--flixfer-border); box-shadow: var(--flixfer-shadow); transition: var(--flixfer-transition); }
.flixfer-card:hover { box-shadow: var(--flixfer-shadow-md); }
.upload-card { padding: 1.5rem; box-shadow: var(--flixfer-shadow-lg); border: none; }

.hero-section-v2 { min-height: auto; padding: 3rem 0 4rem; background: linear-gradient(160deg, #fff 0%, #fff9f5 45%, #ffefe3 100%); }
.hero-headline-v2 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; color: var(--flixfer-dark); }
.text-gradient { background: linear-gradient(135deg, var(--flixfer-primary), #ff9a44); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-lead { font-size: 1.05rem; color: var(--flixfer-text-muted); max-width: 520px; }
.hero-features-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.hero-features-list li { display: flex; gap: .85rem; margin-bottom: 1rem; }
.hero-feature-icon { width: 40px; height: 40px; background: rgba(255,107,0,.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--flixfer-primary); flex-shrink: 0; }
.hero-features-list strong { display: block; font-size: .95rem; }
.hero-features-list span { font-size: .85rem; color: var(--flixfer-text-muted); }

/* Global search */
.global-search-form { display: flex; align-items: center; gap: .5rem; background: var(--flixfer-surface); border: 1px solid var(--flixfer-border); border-radius: 10px; padding: .35rem .75rem; min-width: 220px; }
.global-search-form input { border: none; background: transparent; box-shadow: none; font-size: .875rem; padding: 0; }
.global-search-form input:focus { box-shadow: none; }
.global-search-dropdown { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: #fff; border: 1px solid var(--flixfer-border); border-radius: 12px; box-shadow: var(--flixfer-shadow-md); z-index: 1050; max-height: 320px; overflow-y: auto; padding: .5rem; }
.gs-section { padding: .35rem 0; }
.gs-label { font-size: .7rem; font-weight: 700; text-transform: uppercase; color: var(--flixfer-text-muted); padding: .25rem .5rem; display: block; }
.gs-item { display: flex; align-items: center; gap: .5rem; padding: .5rem .65rem; border-radius: 8px; text-decoration: none; color: inherit; font-size: .875rem; }
.gs-item:hover { background: var(--flixfer-surface); color: var(--flixfer-primary); }
.gs-item small { margin-left: auto; color: var(--flixfer-text-muted); }
.gs-empty { padding: 1rem; text-align: center; color: var(--flixfer-text-muted); font-size: .875rem; }

/* PDF merge file cards */
.studio-file-grid { display: flex; flex-direction: column; gap: .65rem; margin-bottom: 1rem; }
.studio-pdf-file-card { display: flex; align-items: center; gap: .75rem; padding: .75rem; background: #fff; border: 2px solid var(--flixfer-border); border-radius: 12px; cursor: grab; transition: var(--flixfer-transition); }
.studio-pdf-file-card.active { border-color: var(--flixfer-primary); background: #fffaf6; }
.studio-pdf-file-card.dragging { opacity: .5; }
.studio-pdf-file-thumb { width: 48px; height: 60px; background: var(--flixfer-surface); border-radius: 6px; display: flex; align-items: center; justify-content: center; overflow: hidden; flex-shrink: 0; }
.studio-pdf-file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.studio-pdf-file-thumb i { font-size: 1.5rem; color: var(--flixfer-primary); }
.studio-pdf-file-meta { flex: 1; min-width: 0; }
.studio-pdf-file-name { display: block; font-size: .875rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.studio-pdf-file-drag { color: var(--flixfer-text-muted); cursor: grab; }

/* Tool category workspaces */
.tool-ws-text .tool-ui-shell textarea { min-height: 200px; font-family: 'Inter', sans-serif; line-height: 1.7; }
.tool-ws-developer .tool-ui-shell { background: #1e1e2e; border-radius: 12px; padding: 1rem; }
.tool-ws-developer .tool-ui-shell textarea, .tool-ws-developer .tool-ui-shell pre { background: #2d2d3f; color: #e2e8f0; border: 1px solid #3d3d5c; font-family: 'Consolas', 'Monaco', monospace; font-size: .875rem; border-radius: 8px; }
.tool-ws-calculator .dashboard-widget { transition: var(--flixfer-transition); }
.tool-ws-calculator .dashboard-widget:hover { transform: translateY(-2px); box-shadow: var(--flixfer-shadow-md); }

/* Empty & loading states */
.empty-state-card { padding: 2rem; }
.skeleton { background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%); background-size: 200% 100%; animation: skeleton 1.2s ease-in-out infinite; border-radius: 8px; }
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.upload-trust { display: flex; justify-content: space-around; gap: .5rem; padding-top: 1rem; border-top: 1px solid var(--flixfer-border); font-size: .8rem; color: var(--flixfer-text-muted); flex-wrap: wrap; }
.upload-trust span { display: flex; align-items: center; gap: .35rem; }
.upload-trust i { color: var(--flixfer-primary); }

/* Responsive */
@media (max-width: 1200px) {
    .studio-layout { grid-template-columns: 200px 1fr 220px; }
}
@media (max-width: 992px) {
    body { padding-top: 64px; }
    .global-search-wrap { width: 100%; margin: .75rem 0; }
    .global-search-form { min-width: 100%; }
    .studio-layout { grid-template-columns: 1fr; }
    .studio-panel { border-right: none; border-bottom: 1px solid var(--flixfer-border); }
    .studio-right { border-left: none; border-top: 1px solid var(--flixfer-border); }
    .dropdown-tools .mega-menu {
        width: min(1180px, calc(100vw - 1.5rem));
    }
    .mega-menu-body {
        grid-template-columns: 1fr;
    }
    .mega-menu-column {
        border-right: none;
    }
    .tools-offcanvas {
        --bs-offcanvas-width: 100vw;
        --bs-offcanvas-height: 100vh;
        width: 100vw;
        max-width: 100vw;
        height: 100vh;
        max-height: 100vh;
    }
    .tools-offcanvas.offcanvas-start {
        right: auto;
        left: 0;
    }
    .mobile-tools-scroll {
        overflow-y: auto;
    }
}
@media (max-width: 768px) {
    .hero-section, .hero-section-v2 { padding: 4.5rem 0 2.5rem; }
    .upload-zone { padding: 2rem 1rem; }
    .dashboard-sidebar { min-height: auto; }
    .page-title { font-size: 1.75rem; }
    .cookie-inner { flex-direction: column; text-align: center; }
    .compression-stats { grid-template-columns: 1fr; }
    .studio-page-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
    .table-flixfer { font-size: .85rem; }
    .navbar-flixfer .nav-link.active::after { display: none; }
    .footer-flixfer { padding: 4rem 0 2rem; }
    .tools-offcanvas {
        --bs-offcanvas-width: 100vw;
        --bs-offcanvas-height: 100vh;
        width: 100vw;
        max-width: 100vw;
        height: 100vh;
        max-height: 100vh;
    }
    .tools-offcanvas.offcanvas-start {
        right: auto;
        left: 0;
    }
    .mobile-tools-actions {
        padding-bottom: .65rem;
    }
}
@media (min-width: 1200px) {
    .dropdown-tools:hover > .dropdown-menu,
    .dropdown-tools:focus-within > .dropdown-menu {
        display: block;
    }
    .dropdown-tools .dropdown-menu {
        margin-top: 0;
    }
}
@media (max-width: 425px) {
    .hero-headline-v2 { font-size: 1.75rem; }
    .btn-flixfer-primary.btn-lg, .btn-flixfer-outline.btn-lg { width: 100%; }
    .studio-pdf-file-card { flex-wrap: wrap; }
}