/* ==========================================================================
   AUDIOSCARYIFIER 3.0 - NIGHTMARE FUEL & BINARY DATABEND DESIGN SYSTEM
   ========================================================================== */

:root {
    --bg-dark: #080309;
    --bg-card: rgba(18, 9, 24, 0.78);
    --border-card: rgba(255, 0, 51, 0.28);
    --crimson: #ff0033;
    --crimson-glow: rgba(255, 0, 51, 0.6);
    --void-purple: #8a2be2;
    --void-purple-glow: rgba(138, 43, 226, 0.5);
    --toxic-green: #00ff66;
    --toxic-green-glow: rgba(0, 255, 102, 0.5);
    --text-primary: #e0e0e0;
    --text-muted: #8888aa;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-code: 'Fira Code', monospace;
    --font-horror: 'Creepster', cursive;
}

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

body {
    background-color: var(--bg-dark);
    background-image: url('assets/hero_bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-image 0.5s ease-in-out;
}

/* BACKGROUND & ATMOSPHERE EFFECTS */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(13, 2, 18, 0.82) 0%, rgba(5, 1, 8, 0.96) 100%);
    z-index: -2;
}

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.9);
    pointer-events: none;
    z-index: 99;
}

.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%, 
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 100;
    opacity: 0.6;
}

/* HEADER */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
    border-bottom: 1px solid var(--border-card);
    background: rgba(8, 3, 9, 0.88);
    backdrop-filter: blur(12px);
    flex-wrap: wrap;
    gap: 16px;
}

.glitch-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #fff;
    text-shadow: 0 0 10px var(--crimson-glow), 0 0 20px var(--crimson);
}

.subtitle {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    letter-spacing: 2px;
    color: var(--crimson);
    margin-top: -2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.scene-selector-container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.scene-dropdown {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-card);
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    cursor: pointer;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--toxic-green);
    background: rgba(0, 255, 102, 0.08);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 102, 0.3);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--toxic-green);
    box-shadow: 0 0 10px var(--toxic-green);
    animation: pulse-green 1.5s infinite;
}

@keyframes pulse-green {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

/* MAIN CONTAINER & PANELS */
.container {
    max-width: 1300px;
    margin: 24px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    padding: 22px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

.panel h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    letter-spacing: 1px;
    color: #fff;
    margin-bottom: 16px;
    text-transform: uppercase;
    border-left: 4px solid var(--crimson);
    padding-left: 10px;
}

/* TOOL TABS */
.tool-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 12px;
    flex-wrap: wrap;
}

.tool-tab-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-tab-btn.active, .tool-tab-btn:hover {
    background: rgba(255, 0, 51, 0.2);
    border-color: var(--crimson);
    color: #fff;
    box-shadow: 0 0 15px rgba(255, 0, 51, 0.2);
}

.tool-tab-btn.highlight-tab {
    border-color: var(--toxic-green);
    color: var(--toxic-green);
}

.tool-tab-btn.highlight-tab.active, .tool-tab-btn.highlight-tab:hover {
    background: rgba(0, 255, 102, 0.18);
    border-color: var(--toxic-green);
    color: #fff;
    box-shadow: 0 0 20px var(--toxic-green-glow);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ADVANCED BINARY DATABEND TAB STYLING */
.databend-container {
    background: rgba(0, 15, 8, 0.5);
    border: 1px solid var(--toxic-green);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: inset 0 0 30px rgba(0, 255, 102, 0.05);
}

.databend-header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--toxic-green);
    margin-bottom: 4px;
}

.databend-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.databend-presets {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preset-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--toxic-green);
}

.databend-btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.databend-preset-btn {
    background: rgba(0, 255, 102, 0.08);
    border: 1px solid rgba(0, 255, 102, 0.3);
    color: #fff;
    font-size: 0.75rem;
    padding: 8px 14px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.databend-preset-btn:hover {
    background: rgba(0, 255, 102, 0.25);
    border-color: var(--toxic-green);
    box-shadow: 0 0 15px var(--toxic-green-glow);
}

.databend-controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    background: rgba(0, 0, 0, 0.4);
    padding: 16px;
    border-radius: 6px;
    border: 1px solid rgba(0, 255, 102, 0.2);
}

@media (max-width: 800px) {
    .databend-controls-grid {
        grid-template-columns: 1fr;
    }
}

/* HEX MONITOR */
.hex-monitor-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hex-label {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    color: var(--toxic-green);
}

.hex-dump-display {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--toxic-green);
    background: #020804;
    border: 1px solid rgba(0, 255, 102, 0.3);
    border-radius: 4px;
    padding: 12px 16px;
    word-break: break-all;
    box-shadow: inset 0 0 10px rgba(0, 255, 102, 0.1);
    letter-spacing: 2px;
}

/* TEXT TO SPEECH INPUT BAR */
.speech-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(138, 43, 226, 0.3);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.speech-box label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--void-purple);
}

.speech-input-group {
    display: flex;
    gap: 12px;
}

.speech-input-group input {
    flex: 1;
    background: rgba(10, 5, 15, 0.8);
    border: 1px solid var(--void-purple);
    border-radius: 6px;
    padding: 12px 16px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1.05rem;
}

.speech-input-group input:focus {
    outline: none;
    box-shadow: 0 0 15px var(--void-purple-glow);
}

/* DROP PANEL */
.drop-zone {
    border: 2px dashed rgba(255, 0, 51, 0.4);
    border-radius: 8px;
    padding: 26px 20px;
    text-align: center;
    background: rgba(255, 0, 51, 0.03);
    transition: all 0.3s ease;
    cursor: pointer;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--crimson);
    background: rgba(255, 0, 51, 0.1);
    box-shadow: 0 0 20px var(--crimson-glow);
}

.skull-icon {
    font-size: 2.8rem;
    color: var(--crimson);
    text-shadow: 0 0 15px var(--crimson);
    margin-bottom: 8px;
    animation: float-skull 3s ease-in-out infinite;
}

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

.drop-zone h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.drop-zone p {
    color: var(--text-muted);
    margin-bottom: 14px;
    font-size: 0.9rem;
}

/* BUTTONS */
.btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 12px 24px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, #ff0033 0%, #a00020 100%);
    color: #fff;
    box-shadow: 0 0 15px var(--crimson-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff2255 0%, #c00028 100%);
    box-shadow: 0 0 25px var(--crimson);
    transform: translateY(-2px);
}

.file-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 0, 51, 0.1);
    border: 1px solid var(--crimson);
    border-radius: 6px;
    padding: 12px 20px;
    margin-top: 14px;
    gap: 12px;
}

.file-name {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: #fff;
}

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

.file-bpm {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--toxic-green);
    background: rgba(0, 255, 102, 0.1);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 102, 0.25);
}

.btn-icon {
    background: none;
    border: none;
    color: var(--crimson);
    font-size: 1.2rem;
    cursor: pointer;
}

/* VISUALIZER PANEL */
.visualizer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 12px;
}

.visualizer-modes {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.viz-mode-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.viz-mode-btn.active, .viz-mode-btn:hover {
    border-color: var(--crimson);
    color: #fff;
    background: rgba(255, 0, 51, 0.2);
}

.canvas-container {
    position: relative;
    width: 100%;
    height: 220px;
    background: #040106;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 0, 51, 0.3);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.9);
}

#visualizerCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.visualizer-overlay-text {
    position: absolute;
    top: 12px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    color: var(--crimson);
    letter-spacing: 2px;
    text-shadow: 0 0 8px var(--crimson);
    animation: blink-text 1s infinite alternate;
}

@keyframes blink-text {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* TRANSPORT BAR & TOGGLES */
.transport-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-play {
    background: linear-gradient(135deg, #ff0033 0%, #800018 100%);
    color: #fff;
    font-size: 0.95rem;
    padding: 12px 28px;
}

.btn-play:disabled, .btn-export:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-export {
    background: linear-gradient(135deg, #8a2be2 0%, #4c1185 100%);
    color: #fff;
    box-shadow: 0 0 15px var(--void-purple-glow);
}

.btn-export:hover:not(:disabled) {
    background: linear-gradient(135deg, #a03cfa 0%, #5d17a3 100%);
    box-shadow: 0 0 25px var(--void-purple);
}

.time-display {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    letter-spacing: 1px;
    color: #fff;
}

.toggle-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toggle-label {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    color: #ddd;
}

.toggle-label-large {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: #fff;
    letter-spacing: 1px;
}

/* A/B TOGGLE SWITCH */
.ab-toggle-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ab-label {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.horror-label {
    color: var(--crimson);
    font-weight: 700;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #333;
    transition: .3s;
    border-radius: 20px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--crimson);
    box-shadow: 0 0 10px var(--crimson);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* JUMPSCARE SCREAM ENGINE PANEL */
.jumpscare-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-scream-now {
    background: linear-gradient(135deg, #ff0033 0%, #ff5500 100%);
    box-shadow: 0 0 20px var(--crimson);
    font-size: 0.85rem;
    padding: 10px 20px;
}

.btn-scream-now:hover {
    box-shadow: 0 0 30px #ff5500;
    transform: scale(1.05);
}

.jumpscare-controls-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: rgba(255, 0, 51, 0.04);
    border: 1px solid rgba(255, 0, 51, 0.2);
    border-radius: 8px;
    padding: 18px;
}

.jumpscare-main-toggle {
    background: rgba(0, 0, 0, 0.6);
    padding: 12px 20px;
    border-color: var(--crimson);
}

.jumpscare-settings {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
}

.dsp-info-note {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    color: var(--toxic-green);
    background: rgba(0, 255, 102, 0.05);
    border: 1px solid rgba(0, 255, 102, 0.2);
    padding: 8px 12px;
    border-radius: 4px;
}

/* GRID LAYOUT FOR PRESETS & CONTROLS */
.grid-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .grid-controls {
        grid-template-columns: 1fr;
    }
}

/* PRESETS GRID */
.presets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.preset-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    gap: 12px;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    align-items: center;
}

.preset-card:hover {
    border-color: var(--crimson-glow);
    background: rgba(255, 0, 51, 0.05);
    transform: translateY(-2px);
}

.preset-card.active {
    border-color: var(--crimson);
    background: rgba(255, 0, 51, 0.15);
    box-shadow: 0 0 15px rgba(255, 0, 51, 0.25);
}

.preset-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.preset-details h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: #fff;
    margin-bottom: 2px;
}

.preset-details p {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.2;
}

/* PARAMETERS SLIDERS */
.controls-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.control-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 0.8rem;
}

.control-header label {
    color: #ddd;
}

.control-val {
    color: var(--crimson);
    font-weight: 700;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: #190920;
    border-radius: 4px;
    border: 1px solid rgba(255, 0, 51, 0.2);
}

input[type=range]::-webkit-slider-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--crimson);
    box-shadow: 0 0 10px var(--crimson);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -5px;
    transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* FOOTER */
.app-footer {
    text-align: center;
    padding: 20px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}