/* ═══════════════════════════════════════════════════════════
   NextDocu — Premium SaaS Stylesheet
   ═══════════════════════════════════════════════════════════ */

:root {
    /* Color Palette - Modern Indigo & Violet */
    --pdf-primary: #4f46e5;
    --pdf-primary-rgb: 79, 70, 229;
    --pdf-primary-hover: #4338ca;
    --pdf-primary-light: #818cf8;
    --pdf-secondary: #7c3aed;
    --pdf-accent: #10b981;
    --pdf-danger: #ef4444;
    --pdf-warning: #f59e0b;
    --pdf-info: #0ea5e9;
    /* Surfaces */
    --pdf-surface: #ffffff;
    --pdf-surface-rgb: 255, 255, 255;
    --pdf-surface-2: #f8fafc;
    --pdf-surface-3: #f1f5f9;
    --pdf-border: #e2e8f0;
    --pdf-text: #0f172a;
    --pdf-text-muted: #64748b;
    /* Shadows & Effects */
    --pdf-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --pdf-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --pdf-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --pdf-shadow-premium: 0 25px 50px -12px rgba(79, 70, 229, 0.15);
    --pdf-radius: 1rem;
    --pdf-radius-lg: 1.5rem;
    --navbar-h: 72px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --pdf-surface: #0f172a;
    --pdf-surface-rgb: 15, 23, 42;
    --pdf-surface-2: #1e293b;
    --pdf-surface-3: #334155;
    --pdf-border: rgba(255, 255, 255, 0.1);
    --pdf-text: #f8fafc;
    --pdf-text-muted: #94a3b8;
    --pdf-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --pdf-shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}


/* Dark Mode Overrides for Bootstrap Utilities */

[data-theme="dark"] .bg-light {
    background-color: var(--pdf-surface-2) !important;
}

[data-theme="dark"] .bg-white {
    background-color: var(--pdf-surface) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--pdf-text) !important;
}

[data-theme="dark"] .border {
    border-color: var(--pdf-border) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--pdf-surface-2);
    border-color: var(--pdf-border);
    color: var(--pdf-text);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--pdf-surface-3);
    border-color: var(--pdf-primary);
    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
}

[data-theme="dark"] .card {
    background-color: var(--pdf-surface);
    border-color: var(--pdf-border);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--pdf-surface-2);
    border-color: var(--pdf-border);
}

[data-theme="dark"] .dropdown-item {
    color: var(--pdf-text);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--pdf-surface-3);
}

[data-theme="dark"] .modal-content {
    background-color: var(--pdf-surface);
    border-color: var(--pdf-border);
}

[data-theme="dark"] .table {
    color: var(--pdf-text);
    border-color: var(--pdf-border);
}

[data-theme="dark"] .btn-ghost:hover {
    background-color: var(--pdf-surface-2);
}

[data-theme="dark"] .toast {
    background-color: var(--pdf-surface-2) !important;
    border-color: var(--pdf-border) !important;
}


/* Color Palettes */

[data-color="emerald"] {
    --pdf-primary: #10b981;
    --pdf-primary-hover: #059669;
    --pdf-primary-light: #34d399;
    --pdf-secondary: #059669;
    --pdf-shadow-premium: 0 25px 50px -12px rgba(16, 185, 129, 0.15);
}

[data-theme="dark"][data-color="emerald"] {
    --pdf-shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

[data-color="rose"] {
    --pdf-primary: #e11d48;
    --pdf-primary-hover: #be123c;
    --pdf-primary-light: #fb7185;
    --pdf-secondary: #be123c;
    --pdf-shadow-premium: 0 25px 50px -12px rgba(225, 29, 72, 0.15);
}

[data-theme="dark"][data-color="rose"] {
    --pdf-shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}


/* Subtle background helpers for tool/icon badges */

.bg-primary-subtle {
    background: rgba(var(--pdf-primary-rgb), 0.08) !important;
}

.bg-success-subtle {
    background: rgba(16, 185, 129, 0.08) !important;
}

.bg-warning-subtle {
    background: rgba(245, 158, 11, 0.08) !important;
}

.bg-info-subtle {
    background: rgba(14, 165, 233, 0.08) !important;
}

.bg-secondary-subtle {
    background: rgba(124, 58, 237, 0.08) !important;
}

.bg-danger-subtle {
    background: rgba(239, 68, 68, 0.08) !important;
}

.bg-dark-subtle {
    background: rgba(15, 23, 42, 0.08) !important;
}


/* Ensure subtle badges have matching text color when used with .text-* utilities */

.bg-primary-subtle.text-primary {
    color: var(--pdf-primary) !important;
}

.bg-success-subtle.text-success {
    color: #10b981 !important;
}

.bg-warning-subtle.text-warning {
    color: #f59e0b !important;
}

.bg-info-subtle.text-info {
    color: #0ea5e9 !important;
}

.bg-secondary-subtle.text-secondary {
    color: var(--pdf-secondary) !important;
}

.bg-danger-subtle.text-danger {
    color: var(--pdf-danger) !important;
}

.bg-dark-subtle.text-dark {
    color: var(--pdf-text) !important;
}

[data-color="ocean"] {
    --pdf-primary: #0ea5e9;
    --pdf-primary-hover: #0284c7;
    --pdf-primary-light: #38bdf8;
    --pdf-secondary: #0284c7;
    --pdf-shadow-premium: 0 25px 50px -12px rgba(14, 165, 233, 0.15);
}

[data-theme="dark"][data-color="ocean"] {
    --pdf-shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

[data-color="sunset"] {
    --pdf-primary: #f97316;
    --pdf-primary-hover: #ea580c;
    --pdf-primary-light: #fb923c;
    --pdf-secondary: #ea580c;
    --pdf-shadow-premium: 0 25px 50px -12px rgba(249, 115, 22, 0.15);
}

[data-theme="dark"][data-color="sunset"] {
    --pdf-shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}


/* ── Reset & Base ─────────────────────────────────────────── */

body {
    font-family: 'Inter', 'Outfit', system-ui, -apple-system, sans-serif;
    background: var(--pdf-surface);
    color: var(--pdf-text);
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

main {
    flex: 1;
}


/* ── Typography ────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--pdf-primary) 0%, var(--pdf-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--pdf-text-muted) !important;
}


/* ── Components ────────────────────────────────────────────── */


/* Navbar Glassmorphism */

.navbar-glass {
    position: relative;
    border-bottom: 1px solid var(--pdf-border);
    height: var(--navbar-h);
    transition: var(--transition);
    z-index: 1050;
}

.navbar-glass::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(var(--pdf-surface-rgb), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: -1;
    pointer-events: none;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: -9999px;
}

.skip-link:focus {
    position: static;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--pdf-primary), var(--pdf-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.brand-text-nav{
    color: var(--pdf-primary)
}


/* Premium Buttons */

.btn {
    border-radius: 0.75rem;
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--pdf-primary), var(--pdf-secondary));
    border: none;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
    background: linear-gradient(135deg, var(--pdf-primary-hover), var(--pdf-secondary));
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--pdf-text-muted);
}

.btn-ghost:hover {
    background: var(--pdf-surface-2);
    color: var(--pdf-text);
}


/* Premium Cards */

.tool-card {
    background: var(--pdf-surface);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--pdf-primary), var(--pdf-secondary));
    opacity: 0;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--pdf-shadow-premium);
    border-color: transparent;
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    transition: var(--transition);
}

.tool-card:hover .tool-icon-wrap {
    transform: scale(1.1) rotate(5deg);
}


/* ── Hero Section ─────────────────────────────────────────── */

.hero-section {
    position: relative;
    padding: 8rem 0 6rem;
    background: var(--pdf-surface);
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--pdf-primary-rgb), 0.1) 0%, transparent 70%);
    z-index: 0;
    filter: blur(40px);
}

[data-theme="dark"] .hero-blob {
    background: radial-gradient(circle, rgba(var(--pdf-primary-rgb), 0.15) 0%, transparent 70%);
}

.hero-blob-1 {
    top: -100px;
    right: -100px;
}

.hero-blob-2 {
    bottom: -100px;
    left: -100px;
}

[data-theme="dark"] .btn-primary {
    box-shadow: 0 4px 14px 0 rgba(var(--pdf-primary-rgb), 0.4);
}

[data-theme="dark"] .tool-card:hover {
    background-color: var(--pdf-surface-2);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--pdf-primary);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 2rem;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}


/* ── Upload Zone ───────────────────────────────────────────── */

.upload-zone {
    border: 2px dashed var(--pdf-border);
    border-radius: var(--pdf-radius-lg);
    padding: 5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--pdf-surface-2);
    position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over,
.upload-zone.dragover {
    border-color: var(--pdf-primary);
    background: rgba(79, 70, 229, 0.05);
    transform: scale(1.01);
}

.upload-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--pdf-primary);
    font-size: 2rem;
}

.card-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

[data-theme="dark"] .card-success {
    background: linear-gradient(135deg, #065f46, #064e3b);
}

.shadow-premium {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}


/* ── UI Components ─────────────────────────────────────────── */

.spinner-pdf {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(var(--pdf-primary-rgb), 0.1);
    border-top-color: var(--pdf-primary);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.file-item {
    background: var(--pdf-surface);
    border: 1px solid var(--pdf-border);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    transition: var(--transition);
}

.file-item:hover {
    border-color: var(--pdf-primary);
    box-shadow: var(--pdf-shadow-sm);
    transform: translateY(-2px);
}

.file-icon {
    width: 48px;
    height: 48px;
    background: rgba(var(--pdf-primary-rgb), 0.1);
    color: var(--pdf-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    color: var(--pdf-text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta {
    font-size: 0.85rem;
    color: var(--pdf-text-muted);
}


/* ── Animations ────────────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}


/* For elements that animate on load */

.reveal {
    animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}


/* For elements that animate on scroll */

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* Stagger delays */

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}


/* ── Footer ────────────────────────────────────────────────── */

.footer {
    background: var(--pdf-surface-2);
    border-top: 1px solid var(--pdf-border);
    padding: 4rem 0 2rem;
}


/* ── Dark Mode Overrides ────────────────────────────────────── */

[data-theme="dark"] .tool-card {
    background: var(--pdf-surface-2);
}

[data-theme="dark"] .upload-zone {
    background: var(--pdf-surface-2);
}


/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 768px) {
    .hero-section {
        padding: 6rem 0 4rem;
    }
    .hero-title {
        font-size: 2.5rem;
    }
}