/* PDFCraft Master Design System & Styling */

:root[data-theme="dark"] {
    --bg-primary: #07090e;
    --bg-secondary: #0e121e;
    --bg-tertiary: #161c2d;
    --border-color: rgba(255, 255, 255, 0.07);
    --border-focus: rgba(99, 102, 241, 0.5);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.2);
    --error: #ef4444;
    --error-glow: rgba(239, 68, 68, 0.2);
    --scrollbar-bg: #07090e;
    --scrollbar-thumb: #1e293b;
    --glass-bg: rgba(14, 18, 30, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --hero-bg-overlay: linear-gradient(180deg, rgba(7, 9, 14, 0.75) 0%, rgba(7, 9, 14, 0.95) 100%);
}

:root[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --border-color: rgba(0, 0, 0, 0.06);
    --border-focus: rgba(79, 70, 229, 0.4);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: #4f46e5;
    --accent-glow: rgba(79, 70, 229, 0.15);
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --card-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
    --success: #059669;
    --success-glow: rgba(5, 150, 105, 0.15);
    --error: #dc2626;
    --error-glow: rgba(220, 38, 38, 0.15);
    --scrollbar-bg: #f8fafc;
    --scrollbar-thumb: #cbd5e1;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.04);
    --hero-bg-overlay: linear-gradient(180deg, rgba(248, 250, 252, 0.8) 0%, rgba(248, 250, 252, 0.95) 100%);
}

/* Global Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Ambient Glow Background elements */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

.bg-glow-1 {
    top: -200px;
    left: -200px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
}

.bg-glow-2 {
    bottom: -200px;
    right: -200px;
    background: radial-gradient(circle, #a855f7 0%, transparent 70%);
}

/* Toast Container & Notification Toast */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 380px;
    width: 100%;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    gap: 14px;
    transform: translateY(20px);
    opacity: 0;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast.toast-error {
    border-left: 4px solid var(--error);
}

.toast.toast-success {
    border-left: 4px solid var(--success);
}

.toast-message {
    font-size: 14px;
    font-weight: 500;
    flex-grow: 1;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
}

.toast-close:hover {
    color: var(--text-primary);
}

/* Header & Navigation */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 90;
    width: 100%;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    color: #ffffff;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.5px;
}

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
}

.chevron-icon {
    transition: transform 0.2s ease;
}

.dropdown:hover .chevron-icon {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    min-width: 220px;
    padding: 8px 0;
    z-index: 100;
    margin-top: 8px;
}

.dropdown:hover .dropdown-content {
    display: block;
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dropdown-item svg {
    color: var(--accent-color);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-btn:hover {
    border-color: var(--accent-color);
    background: var(--bg-secondary);
    box-shadow: 0 0 10px var(--accent-glow);
}

:root[data-theme="dark"] .sun-icon { display: block; }
:root[data-theme="dark"] .moon-icon { display: none; }
:root[data-theme="light"] .sun-icon { display: none; }
:root[data-theme="light"] .moon-icon { display: block; }

/* Main layout wrapper */
.main-content {
    flex-grow: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
}

.view-section {
    display: none;
    flex-direction: column;
    flex-grow: 1;
}

.view-section.active {
    display: flex;
}

/* 1. DASHBOARD VIEW STYLING */
.hero-section {
    text-align: center;
    margin-bottom: 50px;
    animation: fadeIn 0.8s ease;
    background-image: var(--hero-bg-overlay), url('tech_hero_background.png');
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    padding: 60px 40px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
    line-height: 1.15;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding-bottom: 40px;
}

.tool-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 60%, rgba(99, 102, 241, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tool-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 35px var(--accent-glow);
}

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

.tool-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.tool-card:hover .tool-card-icon {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 5px 15px var(--accent-glow);
}

.tool-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.tool-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1;
}

.tool-card-tag {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--success-glow);
    color: var(--success);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

/* 2. WORKSPACE VIEW STYLING */
.workspace-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.back-link {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    cursor: pointer;
}

.back-link:hover {
    color: var(--accent-color);
}

.workspace-title-area {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.workspace-title {
    font-size: 32px;
    font-weight: 800;
}

.workspace-desc {
    font-size: 15px;
    color: var(--text-secondary);
}

.workspace-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    flex-grow: 1;
}

.workspace-main {
    flex-grow: 1;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--card-shadow);
}

.workspace-sidebar {
    width: 320px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 96px;
}

/* Drag & Drop Zone */
.drop-zone {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: pointer;
    border: 2px dashed var(--border-color);
    border-radius: 22px;
    margin: 16px;
    background: var(--bg-tertiary);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.drop-zone.drag-over {
    border-color: var(--accent-color);
    background-color: var(--bg-secondary);
    box-shadow: inset 0 0 20px var(--accent-glow);
}

.file-input {
    display: none;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.upload-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    color: var(--accent-color);
    transition: transform 0.2s ease;
}

.drop-zone:hover .upload-icon-wrapper {
    transform: scale(1.08);
}

.animate-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.drop-zone-support {
    font-size: 13px;
    color: var(--text-muted);
}

/* Visualizer Container (The workspace interactive content area) */
.visualizer-container {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    max-height: calc(100vh - 280px);
}

/* Sidebar Controls */
.sidebar-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    color: var(--text-primary);
}

.sidebar-options {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Sidebar Settings Inputs */
.setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.setting-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.setting-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.setting-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Button UI Components */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.btn-action {
    background: var(--accent-gradient);
    color: #ffffff;
    width: 100%;
    padding: 16px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 8px 25px var(--accent-glow);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-pulse:hover {
    animation: btnPulse 1.5s infinite;
}

@keyframes btnPulse {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6); }
    70% { box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-glow-active {
    animation: glowPulsate 2s infinite alternate;
}

@keyframes glowPulsate {
    0% { box-shadow: 0 4px 15px var(--accent-glow); }
    100% { box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6); }
}

/* Hide Utility classes */
.hidden {
    display: none !important;
}

/* 3. PROCESSING LOADER VIEW STYLING */
.processing-container {
    max-width: 500px;
    width: 100%;
    margin: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 40px;
}

.spinner-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
}

.processing-spinner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-color);
    animation: spin 1s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
}

.glow-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: var(--accent-color);
    filter: blur(10px);
    opacity: 0.2;
    animation: pulsate 2s alternate infinite ease-in-out;
}

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

@keyframes pulsate {
    0% { transform: scale(0.9); opacity: 0.1; }
    100% { transform: scale(1.05); opacity: 0.3; }
}

.processing-title {
    font-size: 26px;
    font-weight: 700;
}

.processing-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: width 0.2s cubic-bezier(0.1, 0.8, 0.1, 1);
}

.progress-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-color);
}

/* 4. SUCCESS VIEW STYLING */
.success-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    max-width: 580px;
    width: 100%;
    margin: auto;
    border-radius: 28px;
    padding: 48px;
    text-align: center;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    animation: successPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes successPop {
    from { opacity: 0; transform: scale(0.9) translateY(30px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.success-icon-wrapper {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: var(--success-glow);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--success-glow);
}

.success-checkmark {
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: drawCheckmark 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

@keyframes drawCheckmark {
    to { stroke-dashoffset: 0; }
}

.success-title {
    font-size: 28px;
    font-weight: 800;
}

.success-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
}

/* File Info Box */
.file-info-container {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    padding: 20px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-info-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.file-info-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 10px;
}

.success-actions .btn {
    width: 100%;
}

/* Footer Section styling */
.footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 20px 24px;
    margin-top: auto;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

.privacy-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--success-glow);
    color: var(--success);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
}

/* ======================================================== */
/* FILE VISUALIZER DESIGN ELEMENTS                          */
/* ======================================================== */

/* Reorderable Thumbnail grid list (e.g. Merge & Images to PDF) */
.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 16px;
}

.thumbnail-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    cursor: grab;
    user-select: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.thumbnail-card.dragging {
    opacity: 0.5;
    border: 2px dashed var(--accent-color);
    background: var(--bg-secondary);
}

.thumbnail-canvas-wrapper {
    aspect-ratio: 3/4;
    background: #ffffff;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid rgba(0,0,0,0.06);
}

.thumbnail-canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumbnail-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
}

.thumbnail-action-btn {
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 11px;
}

.thumbnail-action-btn:hover {
    background: var(--error);
    transform: scale(1.1);
}

.thumbnail-info {
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-secondary);
}

/* Page Selector / Split PDF Grid / Rotate Grid */
.page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
}

.page-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    cursor: pointer;
}

.page-card:hover {
    border-color: var(--accent-color);
}

.page-card.selected {
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
    background: var(--bg-secondary);
}

.page-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    background: rgba(0,0,0,0.65);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    z-index: 10;
}

.page-card.selected .page-badge {
    background: var(--accent-gradient);
}

.page-rotate-indicator {
    position: absolute;
    bottom: 35px;
    right: 18px;
    background: rgba(0,0,0,0.65);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.page-card:hover .page-rotate-indicator {
    transform: rotate(90deg);
}

/* Range Selector Form widget styling */
.range-config-row {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.range-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Position Selector Grid for Watermarks */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-width: 180px;
    margin: 0 auto;
}

.position-cell {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.position-cell.active {
    background: var(--accent-gradient);
    border-color: transparent;
    box-shadow: 0 0 10px var(--accent-glow);
}

.position-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
}

.position-cell.active .position-dot {
    background: #ffffff;
}

/* Password strength bar styling */
.pwd-strength-container {
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pwd-strength-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.pwd-strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 10px;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.pwd-strength-text {
    font-size: 11px;
    font-weight: 600;
    text-align: right;
}

/* ======================================================== */
/* RESPONSIVE DESIGN INTERFACE                              */
/* ======================================================== */
@media (max-width: 1024px) {
    .workspace-layout {
        flex-direction: column;
    }
    
    .workspace-sidebar {
        width: 100%;
        position: static;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 15px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        padding: 12px 16px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    .nav-links {
        display: none; /* Hide desktop nav links on small mobile screens */
    }
    
    .success-card {
        padding: 24px;
    }
}

/* ======================================================== */
/* MEGA MENU DROPDOWN STYLES FOR ELITE HEADER               */
/* ======================================================== */
.nav-item {
    position: relative;
    display: inline-block;
}

.nav-trigger {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.nav-trigger:hover,
.nav-item:hover .nav-trigger {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-trigger .arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
    opacity: 0.7;
}

.nav-item:hover .arrow {
    transform: rotate(180deg);
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    min-width: 220px;
    padding: 8px 0;
    z-index: 1000;
    margin-top: 8px;
    animation: dropdownFade 0.2s ease;
    backdrop-filter: blur(16px);
}

.nav-item:hover .nav-dropdown {
    display: block;
}

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-dropdown a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Mega dropdown (wide, multi-column) */
.nav-mega {
    min-width: 600px;
    left: 50%;
    transform: translateX(-50%);
    padding: 16px;
}

.nav-item:hover .nav-mega {
    display: grid;
    gap: 12px;
}

.nav-mega-col h4 {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 4px 16px 6px;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 6px;
}

.nav-mega-col a {
    padding: 8px 16px;
    border-radius: 8px;
}

/* ======================================================== */
/* VINCITA BRANDED ORANGE HEADER STYLES                     */
/* ======================================================== */
.header {
    background: linear-gradient(135deg, #FF6B35 0%, #E8501A 100%) !important;
    box-shadow: 0 4px 20px rgba(232, 80, 26, 0.15) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
}

/* Logo & Brand text on orange header */
.header .logo {
    color: #ffffff !important;
}
.header .logo-text {
    color: #ffffff !important;
}
.header .logo-accent {
    background: #ffffff !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: #ffffff !important;
    opacity: 0.95;
}
.header .logo-icon {
    background: rgba(255, 255, 255, 0.18) !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    color: #ffffff !important;
    box-shadow: none !important;
}

/* Nav triggers and buttons on orange header */
.header .nav-trigger {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 600 !important;
}
.header .nav-trigger:hover,
.header .nav-item:hover .nav-trigger {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.15) !important;
}
.header .nav-trigger .arrow {
    color: #ffffff !important;
    opacity: 0.9 !important;
}

/* Theme Toggle Button on orange header */
.header .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
}
.header .theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: #ffffff !important;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.3) !important;
}