:root {
            --primary: #7c3aed;
            --primary-dark: #6d28d9;
            --secondary: #f97316;
            --accent: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #0f0f23;
            --dark-secondary: #1a1a2e;
            --dark-tertiary: #16213e;
            --light: #f8fafc;
            --text-muted: #64748b;
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #7c3aed 0%, #f97316 100%);
            --gradient-3: linear-gradient(135deg, #06b6d4 0%, #7c3aed 100%);
            --gradient-dark: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
            --neon-glow: 0 0 20px rgba(124, 58, 237, 0.5);
            --neon-glow-orange: 0 0 20px rgba(249, 115, 22, 0.5);
            --neon-glow-cyan: 0 0 20px rgba(6, 182, 212, 0.5);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: white;
            background: var(--gradient-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated Background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
            animation: backgroundShift 20s ease-in-out infinite;
            z-index: -1;
        }

        @keyframes backgroundShift {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* Navigation */
        .navbar {
            background: rgba(15, 15, 35, 0.95) !important;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(124, 58, 237, 0.2);
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: var(--gradient-2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: var(--neon-glow);
        }

        .nav-link {
            font-weight: 500;
            color: white !important;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary) !important;
            transform: translateY(-2px);
            text-shadow: var(--neon-glow);
        }

        /* Studio Layout */
        .studio-container {
            min-height: 100vh;
            padding-top: 80px;
        }

        .container-fluid, section{
            width: 98%;
            margin: auto !important;
        }

        .studio-header {
            background: rgba(26, 26, 46, 0.8);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(124, 58, 237, 0.2);
            box-shadow: var(--neon-glow);
        }

        .studio-header h1 {
            background: var(--gradient-2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 10px;
        }

        /* Editor Panels */
        .editor-panel {
            background: rgba(26, 26, 46, 0.8);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(124, 58, 237, 0.2);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .editor-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-2);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .editor-panel:hover {
            border-color: rgba(124, 58, 237, 0.4);
            box-shadow: var(--neon-glow);
        }

        .editor-panel:hover::before {
            transform: scaleX(1);
        }

        .editor-panel h5 {
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }

        .editor-panel h5 i {
            background: var(--gradient-2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-right: 10px;
        }

        /* Waveform Container */
        .waveform-container {
            background: rgba(15, 15, 35, 0.6);
            border-radius: 15px;
            padding: 20px;
            margin: 20px 0;
            position: relative;
            min-height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(6, 182, 212, 0.3);
            box-shadow: var(--neon-glow-cyan);
        }

        /* Control Panel */
        .control-panel {
            display: flex;
            gap: 15px;
            align-items: center;
            flex-wrap: wrap;
            margin: 20px 0;
        }

        .control-btn {
            background: var(--gradient-2);
            border: none;
            color: white;
            padding: 12px 20px;
            border-radius: 15px;
            font-weight: 500;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
            position: relative;
            overflow: hidden;
        }

        .control-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .control-btn:hover::before {
            left: 100%;
        }

        .control-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5);
        }

        .control-btn:active {
            transform: translateY(-1px);
        }

        .control-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        /* Time Display */
        .time-display {
            background: rgba(6, 182, 212, 0.2);
            border: 1px solid rgba(6, 182, 212, 0.4);
            padding: 10px 15px;
            border-radius: 12px;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            color: var(--accent);
            box-shadow: var(--neon-glow-cyan);
        }

        /* Volume Control */
        .volume-control {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(26, 26, 46, 0.6);
            padding: 10px 15px;
            border-radius: 15px;
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .volume-control i {
            color: var(--primary);
        }

        /* Effect Controls */
        .effect-controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .effect-group {
            background: rgba(15, 15, 35, 0.6);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid rgba(249, 115, 22, 0.3);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .effect-group::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-2);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .effect-group:hover {
            border-color: rgba(249, 115, 22, 0.6);
            box-shadow: var(--neon-glow-orange);
        }

        .effect-group:hover::before {
            transform: scaleX(1);
        }

        .effect-group h6 {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .effect-group h6 i {
            margin-right: 8px;
        }

        .effect-group label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-bottom: 5px;
            display: block;
        }

        /* Range Sliders */
        .range-slider {
            width: 100%;
            margin: 10px 0;
            -webkit-appearance: none;
            appearance: none;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.1);
            outline: none;
            transition: all 0.3s ease;
        }

        .range-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--gradient-2);
            cursor: pointer;
            box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
            transition: all 0.3s ease;
        }

        .range-slider::-webkit-slider-thumb:hover {
            transform: scale(1.2);
            box-shadow: 0 0 15px rgba(124, 58, 237, 0.8);
        }

        .range-slider::-moz-range-thumb {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--gradient-2);
            cursor: pointer;
            border: none;
            box-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
        }

        /* File Drop Zone */
        .file-drop-zone {
            border: 2px dashed rgba(6, 182, 212, 0.5);
            border-radius: 20px;
            padding: 40px 20px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            background: rgba(15, 15, 35, 0.4);
            position: relative;
            overflow: hidden;
        }

        .file-drop-zone::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .file-drop-zone:hover,
        .file-drop-zone.dragover {
            border-color: var(--accent);
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--neon-glow-cyan);
            transform: translateY(-5px);
        }

        .file-drop-zone:hover::before,
        .file-drop-zone.dragover::before {
            opacity: 1;
        }

        .file-drop-zone i {
            color: var(--accent);
            margin-bottom: 15px;
        }

        .file-drop-zone h6 {
            color: white;
            margin-bottom: 10px;
        }

        .file-drop-zone p {
            color: var(--text-muted);
            margin: 0;
        }

        /* Audio Analysis */
        .audio-stats {
            background: rgba(15, 15, 35, 0.6);
            border-radius: 15px;
            padding: 20px;
            border: 1px solid rgba(124, 58, 237, 0.3);
        }

        .stat-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-label {
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
        }

        .stat-value {
            font-weight: 600;
            color: var(--accent);
            text-shadow: var(--neon-glow-cyan);
        }

        /* Form Controls */
        .form-select {
            background: rgba(26, 26, 46, 0.8);
            border: 1px solid rgba(124, 58, 237, 0.3);
            color: white;
            border-radius: 10px;
            padding: 8px 12px;
            transition: all 0.3s ease;
        }

        .form-select:focus {
            background: rgba(26, 26, 46, 0.9);
            border-color: var(--primary);
            box-shadow: var(--neon-glow);
            color: white;
        }

        .form-select option {
            background: var(--dark-secondary);
            color: white;
        }

        /* Canvas Styling */
        #waveformCanvas {
            cursor: pointer;
            border-radius: 10px;
            border: 1px solid rgba(6, 182, 212, 0.3);
            box-shadow: var(--neon-glow-cyan);
        }

        #spectrumCanvas {
            border-radius: 10px;
            border: 1px solid rgba(249, 115, 22, 0.3);
            box-shadow: var(--neon-glow-orange);
        }

        /* Back Button */
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 10px 20px;
            font-weight: 600;
            border-radius: 15px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--neon-glow);
        }

        /* Loading Animation */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--primary);
            animation: spin 1s ease-in-out infinite;
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .studio-header h1 {
                font-size: 2rem;
            }
            
            .control-panel {
                justify-content: center;
            }
            
            .effect-controls {
                grid-template-columns: 1fr;
            }
            
            .control-btn {
                padding: 10px 15px;
                font-size: 0.9rem;
            }
        }

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

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

        ::-webkit-scrollbar-thumb {
            background: var(--gradient-2);
            border-radius: 4px;
        }

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

        /* Footer Styles */
        .social-links a:hover {
            color: var(--primary) !important;
            transform: translateY(-2px);
            text-shadow: var(--neon-glow);
        }

        .modal-content {
            border-radius: 15px;
            overflow: hidden;
        }

        .modal-header {
            background: var(--gradient-2);
        }

        .btn-outline-info:hover {
            background: var(--accent);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

        /* Breadcrumb Navigation Styles */
        .breadcrumb-nav {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            padding: 20px 25px;
            margin-bottom: 30px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
            font-weight: 500;
        }

        .breadcrumb-item {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .breadcrumb-item + .breadcrumb-item::before {
            content: ">";
            color: rgba(255, 255, 255, 0.5);
            font-weight: 600;
            margin: 0 12px;
        }

        .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .breadcrumb-item a:hover {
            color: var(--primary);
            transform: translateY(-1px);
            text-shadow: 0 0 10px rgba(124, 58, 237, 0.5);
        }

        .breadcrumb-item.active {
            color: white;
            font-weight: 600;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }