:root {
    --primary-color: #6366f1;
    /* Indigo */
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    /* Emerald */
    --bg-color: #ffffff;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-alt: #f3f4f6;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --header-height: 70px;
    --sidebar-width: 320px;
}

[data-theme="dark"] {
    --primary-color: #818cf8;
    --primary-hover: #6366f1;
    --bg-color: #111827;
    --text-color: #f9fafb;
    --text-light: #9ca3af;
    --bg-alt: #1f2937;
    --border-color: #374151;
    --card-bg: #1f2937;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-y: scroll;
    /* Force scrollbar to stay visible to prevent jitter loop */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Editor page specific styles */
body.editor-page {
    height: 100vh;
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-outline {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.82rem;
}

.full-width {
    width: 100%;
}

.btn.btn-outline:hover {
    background: var(--bg-alt);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

/* Export Buttons - Enhanced Design */
.export-btn-primary,
.export-btn-secondary {
    position: relative;
    padding: 14px 16px !important;
    font-size: 0.9rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.export-btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.export-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, #7c3aed 0%, #6366f1 100%);
}

.export-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.export-btn-secondary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.export-btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.5);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.export-btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.export-btn-primary .btn-icon,
.export-btn-secondary .btn-icon {
    font-size: 1.5rem;
    line-height: 1;
    min-width: 28px;
    text-align: center;
    animation: pulse-icon 2s ease-in-out infinite;
}

.export-btn-primary .btn-text,
.export-btn-secondary .btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    flex: 1;
    text-align: left;
}

.export-btn-primary .btn-text strong,
.export-btn-secondary .btn-text strong {
    font-size: 0.92rem;
    font-weight: 600;
    display: block;
    line-height: 1.2;
}

.export-btn-primary .btn-text small,
.export-btn-secondary .btn-text small {
    font-size: 0.72rem;
    opacity: 0.9;
    display: block;
    font-weight: 400;
    line-height: 1.2;
}

@keyframes pulse-icon {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
    }
}

.icon-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    color: var(--text-color);
    min-width: 36px;
    /* Fixed width to prevent layout shift */
    text-align: center;
}

.icon-btn.big {
    font-size: 1.5rem;
    min-width: 44px;
    /* Larger button for play/pause */
}

/* Header */
.main-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span.icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero */
.hero {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, var(--bg-alt) 0%, var(--bg-color) 70%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.crypto-note {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

/* Features */
.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.bg-alt {
    background-color: var(--bg-alt);
}

/* Editor Page Layout */
.editor-page {
    /* height: 100vh;  <-- Remove this restrictive height */
    min-height: 100vh;
    /* Allow it to grow if needed */
    display: flex;
    flex-direction: column;
    /* overflow: hidden; <-- Let the html scroll handle overflow */
}

.editor-header {
    height: 60px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--bg-color);
}

.presets-area select {
    padding: 8px 32px 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-alt);
    color: var(--text-color);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 240px;
}

.presets-area select:hover {
    border-color: var(--primary-color);
    background: var(--bg-color);
}

.presets-area select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.editor-layout {
    display: grid;
    /* Default: 3 columns (Tools | Editor | Ads) */
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* Sidebar Ads */
.sidebar-ads {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    /* Strict no-grow no-shrink */
    border-left: 1px solid var(--border-color);
    background: var(--bg-alt);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    overflow: hidden;
    /* Prevent scrollbar triggering layout recalc loop */
    height: 100%;
}

.sidebar-tools {
    width: var(--sidebar-width);
    border-right: 1px solid var(--border-color);
    background: var(--bg-alt);
    overflow-y: scroll;
    scrollbar-gutter: stable;
    display: flex;
    flex-direction: column;
}

.tool-category {
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
    transition: background-color 0.2s ease;
}

.tool-category:hover {
    background-color: var(--bg-alt);
}

.export-section {
    padding: 20px;
    border-top: 2px solid var(--border-color);
    background: linear-gradient(to bottom, var(--bg-alt), var(--bg-color));
}

.export-section h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--primary-color);
}

.file-item {
    padding: 10px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.1);
    transform: translateX(2px);
}

.file-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.file-item.active .delete-btn {
    color: white;
    opacity: 0.9;
}

.file-item.active .delete-btn:hover {
    opacity: 1;
}

.tool-category h3 {
    font-size: 0.88rem;
    margin: 0;
    text-transform: uppercase;
    color: var(--text-color);
    letter-spacing: 0.3px;
    font-weight: 600;
}

/* Accordion Headers for Tool Categories */
.tool-category-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s;
}

.tool-category-header:hover {
    color: var(--primary-color);
}

.toggle-icon {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-color);
    transition: transform 0.2s;
}

.control-group {
    margin-bottom: 16px;
}

.control-group label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
}

.main-editor-area {
    flex: 1;
    background: var(--bg-color);
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 20px;
    overflow-y: auto;
    scrollbar-gutter: stable;
    /* Force scrollbar space to prevent layout shift */
}

/* Drop Zone */
.drop-zone {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    margin: 20px;
    cursor: pointer;
    transition: border 0.3s;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.drop-content {
    text-align: center;
}

.drop-content .icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

/* Radical Fix for Accordion */
/* Standardize workspace layout to be robust */
.editor-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Give it a solid basis for calc */
    height: 100%;
    min-height: 400px;
    /* Ensure it never collapses too small triggers layout loop */
    overflow: hidden;
}

/* Force specific height distribution */
.toolbar-top {
    flex: 0 0 50px;
    /* Fixed height strictly */
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 15px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.waveform-container {
    /* Use fixed flex basis and allow grow, but constrain max height if needed */
    flex: 1;
    position: relative;
    background: var(--bg-alt);
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
    /* No min-height causing conflict, just fill available space */
    min-height: 200px;
    /* Re-introduce constraint */
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

/* Ensure spectrogram doesn't fight for space */
.spectrogram-container {
    flex: 0 0 auto;
    min-height: 0;
    position: relative;
    /* Critical for overlays */
}

/* Inputs */
input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--bg-alt);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--primary-hover);
    transform: scale(1.1);
}

select {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

input[type="number"] {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.9rem;
}

/* Format Tabs */
.format-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.format-tab {
    flex: 1;
    min-width: 60px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-alt);
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.format-tab:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.format-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Quality Slider */
.quality-slider-container {
    margin-top: 10px;
}

.quality-slider-container input[type="range"] {
    margin-bottom: 10px;
}

.quality-labels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    font-size: 0.65rem;
    text-align: center;
    color: var(--text-light);
    padding: 0 2px;
}

.quality-labels span {
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Advanced Parameters */
.advanced-params {
    margin-top: 15px;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-alt);
    border-radius: 8px;
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

.radio-group input[type="radio"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Toggle Controls (Checkboxes) */
.toggle-control {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 0;
    user-select: none;
    transition: color 0.2s ease;
}

.toggle-control:hover {
    color: var(--primary-color);
}

.toggle-control input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.toggle-control span {
    flex: 1;
    font-size: 0.88rem;
    font-weight: 500;
}

/* Submenu styling */
.submenu {
    background: var(--bg-color);
    padding: 10px;
    border-radius: 6px;
    margin-top: 8px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    /* Flex when active */
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    width: 400px;
    text-align: center;
}

.progress-bar-container {
    height: 8px;
    background: var(--bg-alt);
    border-radius: 4px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
}

/* Cookie Banner - Styles Removed */
/* .cookie-banner styles deleted as we use Google CMP */

/* Google AdSense Containers */
.ad-container {
    margin: 15px 0;
    text-align: center;
    min-height: 50px;
}

.ad-container ins.adsbygoogle {
    display: block;
}

/* Mobile Sticky Bottom Ad */
.ad-mobile-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--bg-alt);
    border-top: 1px solid var(--border-color);
    padding: 5px 0;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* Responsive ad visibility */
.ad-desktop-only {
    display: block;
}

.ad-mobile-only {
    display: none;
}

/* === FOOTER === */
.main-footer {
    background: var(--bg-alt);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.footer-col p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .ad-desktop-only {
        display: none !important;
    }

    .ad-mobile-only {
        display: block !important;
    }
}

/* Ad Placeholders (Fallback for development) */
.ad-slot {
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    border: 1px dashed #ccc;
    margin: 20px auto;
}

.ad-leaderboard {
    width: 728px;
    height: 90px;
}

.ad-mobile {
    width: 320px;
    height: 50px;
}

/* Header Sticky Ad */
.ad-header-sticky {
    position: sticky;
    top: 60px;
    /* Below editor header */
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    text-align: center;
    z-index: 90;
}

.ad-leaderboard-header {
    width: 728px;
    height: 90px;
    margin: 0 auto;
}

/* ========================================
   MOBILE MENU & HAMBURGER
   ======================================== */

/* Mobile Menu Button (Hamburger) - Hidden on desktop */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 8px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* Mobile Quick Actions Button - Hidden on desktop */
.mobile-quick-actions-btn {
    display: none;
    background: var(--primary-color);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    line-height: 1;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.mobile-quick-actions-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);
}

.mobile-quick-actions-btn:active {
    transform: translateY(0);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

/* Mobile Quick Actions Dropdown */
.mobile-quick-actions-dropdown {
    display: none;
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    width: 90%;
    max-width: 320px;
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-quick-actions-dropdown.active {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.mobile-dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-dropdown-header h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--text-color);
}

.close-dropdown-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s ease;
}

.close-dropdown-btn:hover {
    color: var(--text-color);
}

.mobile-dropdown-content {
    padding: 8px;
}

.mobile-preset-btn {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-preset-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.mobile-preset-btn:active {
    transform: translateX(2px);
}

.mobile-preset-btn:last-child {
    margin-bottom: 0;
}

/* ========================================
   RESPONSIVE DESIGN - MEDIA QUERIES
   ======================================== */

/* Responsive Breakpoint 1: Small Laptops (Hide Right Ads) */
@media (max-width: 1280px) {
    .editor-layout {
        /* Switch to 2 columns: Tools | Editor */
        grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    }

    .sidebar-ads {
        display: none !important;
    }
}

/* Responsive Breakpoint 2: Tablets (1024px and below) */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 280px;
        /* Reduce sidebar width */
    }

    .editor-header {
        padding: 0 15px;
    }

    .presets-area select {
        min-width: 200px;
        font-size: 0.82rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .logo span.icon {
        font-size: 1.5rem;
    }

    /* Reduce toolbar spacing */
    .toolbar-top {
        gap: 12px;
        padding: 0 10px;
    }

    .playback-controls {
        gap: 8px;
    }

    /* Adapt waveform for smaller screens */
    .waveform-container {
        min-height: 180px;
    }
}

/* Responsive Breakpoint 3: Tablets & Mobile (768px and below) */
@media (max-width: 768px) {

    /* === LAYOUT TRANSFORMATION === */
    .editor-layout {
        /* Switch to 1 column vertical stack */
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: auto;
        overflow-y: auto;
    }

    .sidebar-tools {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
        max-height: 400px;
        /* Increased for better usability */
        overflow-y: auto;
        scrollbar-gutter: stable;
    }

    .main-editor-area {
        height: auto;
        min-height: 500px;
        padding: 15px;
    }

    /* Reset workspace flex constraints for stacked view */
    .editor-workspace {
        height: auto !important;
        overflow: visible !important;
        flex: none !important;
        min-height: 400px;
    }

    /* === HEADER ADAPTATIONS === */
    .editor-header {
        height: auto;
        min-height: 50px;
        padding: 8px 12px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: nowrap;
        /* Keep on one line */
    }

    /* Show mobile menu buttons */
    .mobile-menu-btn {
        display: block;
        order: 1;
    }

    .logo-area {
        flex: 1 1 auto;
        order: 2;
    }

    .logo {
        font-size: 0.95rem;
    }

    .logo span.icon {
        font-size: 1.1rem;
    }

    .logo.small {
        font-size: 0.9rem;
    }

    /* Hide logo text on very small screens */
    .logo-text {
        display: inline;
    }

    /* Show mobile quick actions button */
    .mobile-quick-actions-btn {
        display: block;
        order: 3;
    }

    /* Hide desktop presets area on mobile */
    .presets-area {
        display: none;
    }

    .actions-area {
        display: flex;
        gap: 6px;
        flex: 0 0 auto;
        order: 4;
    }

    .btn-sm {
        padding: 5px 8px;
        font-size: 0.72rem;
    }

    #theme-toggle {
        font-size: 1rem;
        padding: 4px 8px;
    }

    /* === SIDEBAR DRAWER TRANSFORMATION === */
    .sidebar-tools {
        position: fixed;
        top: 0;
        left: -100%;
        /* Hidden by default */
        width: 85%;
        max-width: 320px;
        height: 100vh;
        border-right: 1px solid var(--border-color);
        background: var(--bg-alt);
        overflow-y: auto;
        scrollbar-gutter: stable;
        z-index: 999;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    /* Sidebar open state */
    .sidebar-tools.active {
        left: 0;
    }

    /* Add close button to sidebar on mobile */
    .sidebar-tools::before {
        content: '✕ Fermer';
        display: block;
        position: sticky;
        top: 0;
        background: var(--primary-color);
        color: white;
        padding: 12px 18px;
        font-weight: 600;
        font-size: 0.9rem;
        cursor: pointer;
        z-index: 10;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* === TOOLBAR ADAPTATIONS === */
    .toolbar-top {
        flex-wrap: wrap;
        gap: 10px;
        padding: 8px 10px;
        flex: 0 0 auto;
    }

    .playback-controls {
        flex: 1 1 100%;
        justify-content: center;
        gap: 10px;
    }

    .zoom-controls {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .zoom-controls span {
        font-size: 0.8rem;
    }

    .toggle-control.small {
        font-size: 0.75rem;
    }

    .time-display {
        font-size: 0.85rem;
    }

    /* === WAVEFORM ADAPTATIONS === */
    .waveform-container {
        min-height: 150px;
        border-radius: 6px;
    }

    .spectrogram-container {
        display: none;
        /* Hide by default on mobile */
    }

    /* Show spectrogram only when explicitly toggled */
    .spectrogram-container.active {
        display: block;
    }

    /* === BUTTONS & CONTROLS === */
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .btn-large {
        padding: 12px 20px;
        font-size: 1rem;
    }

    .icon-btn {
        font-size: 1.1rem;
        min-width: 32px;
        padding: 4px;
    }

    .icon-btn.big {
        font-size: 1.3rem;
        min-width: 40px;
    }

    /* === EXPORT BUTTONS === */
    .export-btn-primary,
    .export-btn-secondary {
        padding: 12px 14px !important;
        gap: 10px;
        font-size: 0.85rem;
    }

    .export-btn-primary .btn-icon,
    .export-btn-secondary .btn-icon {
        font-size: 1.3rem;
        min-width: 24px;
    }

    .export-btn-primary .btn-text strong,
    .export-btn-secondary .btn-text strong {
        font-size: 0.85rem;
    }

    .export-btn-primary .btn-text small,
    .export-btn-secondary .btn-text small {
        font-size: 0.68rem;
    }

    /* === TOOL CATEGORIES === */
    .tool-category {
        padding: 10px 14px;
    }

    .tool-category h3,
    .tool-category-header {
        font-size: 0.82rem;
    }

    .control-group {
        margin-bottom: 12px;
    }

    .control-group label {
        font-size: 0.8rem;
    }

    /* === FORMAT TABS === */
    .format-tabs {
        gap: 4px;
    }

    .format-tab {
        min-width: 50px;
        padding: 6px 8px;
        font-size: 0.75rem;
    }

    /* === QUALITY SLIDER === */
    .quality-labels {
        font-size: 0.6rem;
    }

    /* === MODAL ADAPTATIONS === */
    .modal-content {
        width: 90%;
        max-width: 350px;
        padding: 20px;
    }

    .modal-content h3 {
        font-size: 1.1rem;
    }

    /* === DROP ZONE === */
    .drop-zone {
        margin: 10px;
    }

    .drop-content .icon {
        font-size: 3rem;
    }

    .drop-content h2 {
        font-size: 1.3rem;
    }

    .drop-content p {
        font-size: 0.9rem;
    }

    /* === ADS RESPONSIVE === */
    .ad-desktop-only {
        display: none !important;
    }

    .ad-mobile-only {
        display: block !important;
    }

    .ad-leaderboard,
    .ad-leaderboard-header {
        width: 320px;
        height: 50px;
    }

    .ad-mobile {
        display: flex !important;
    }

    .ad-header-sticky {
        top: auto;
        /* Don't stick on mobile, let it scroll */
        position: relative;
    }

    /* Add padding to body to account for sticky mobile ad */
    body.editor-page {
        padding-bottom: 60px;
    }
}

/* Responsive Breakpoint 4: Small Mobile (480px and below) */
@media (max-width: 480px) {

    /* === ULTRA COMPACT MODE === */
    .editor-header {
        height: auto;
        min-height: 45px;
        padding: 6px 10px;
        gap: 6px;
    }

    /* Hide presets on very small screens to save vertical space */
    .presets-area {
        display: none;
    }

    .logo {
        font-size: 0.9rem;
    }

    .logo span.icon {
        font-size: 1rem;
    }

    /* Hide logo text on very small screens */
    .logo-text {
        display: none;
    }

    .presets-area select {
        font-size: 0.75rem;
        padding: 5px 8px;
    }

    .btn-sm {
        padding: 5px 8px;
        font-size: 0.7rem;
    }

    /* === SIDEBAR TOOLS === */
    .sidebar-tools {
        max-height: 350px;
    }

    .tool-category {
        padding: 8px 12px;
    }

    /* === WAVEFORM === */
    .waveform-container {
        min-height: 120px;
    }

    /* === TOOLBAR === */
    .toolbar-top {
        padding: 6px 8px;
    }

    .playback-controls {
        gap: 6px;
    }

    .icon-btn {
        font-size: 1rem;
        min-width: 28px;
    }

    .icon-btn.big {
        font-size: 1.2rem;
        min-width: 36px;
    }

    .time-display {
        font-size: 0.75rem;
    }

    /* === EXPORT BUTTONS === */
    .export-btn-primary,
    .export-btn-secondary {
        padding: 10px 12px !important;
        gap: 8px;
    }

    .export-btn-primary .btn-text strong,
    .export-btn-secondary .btn-text strong {
        font-size: 0.8rem;
    }

    .export-btn-primary .btn-text small,
    .export-btn-secondary .btn-text small {
        font-size: 0.65rem;
    }

    /* === FORMAT TABS === */
    .format-tab {
        min-width: 45px;
        padding: 5px 6px;
        font-size: 0.7rem;
    }

    /* === MODAL === */
    .modal-content {
        width: 95%;
        padding: 15px;
    }

    /* === DROP ZONE === */
    .drop-content .icon {
        font-size: 2.5rem;
    }

    .drop-content h2 {
        font-size: 1.1rem;
    }

    .drop-content p {
        font-size: 0.8rem;
    }
}

/* Landscape Mode Optimization for Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar-tools {
        max-height: 250px;
        /* Reduce height in landscape */
    }

    .waveform-container {
        min-height: 100px;
        /* Smaller waveform in landscape */
    }

    .toolbar-top {
        flex-wrap: nowrap;
        /* Keep controls on one line */
    }

    .playback-controls {
        flex: 0 1 auto;
    }
}

/* Delete Button */
.delete-btn {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0 4px;
}

.delete-btn:hover {
    color: #ef4444;
    transform: scale(1.2);
}

/* === ANIMATIONS === */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-10px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Visual Preview Elements */
#quality-badge {
    transition: all 0.3s ease;
    animation: slideIn 0.3s ease;
}

#silence-count-badge {
    animation: pulse 1.5s ease-in-out infinite;
}

#compressor-indicator {
    animation: pulse 2s ease-in-out infinite;
}

#speed-indicator {
    transition: transform 0.3s ease;
}

#speed-input:active~#speed-indicator {
    transform: scale(1.2);
}