/* ============================================================
   REGROOVE AUDIO TOOLS - SHARED STYLES
   ============================================================ */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --accent: #CF1A37;
    --accent-dim: #a01528;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border: #333333;
    --shadow: rgba(207, 26, 55, 0.3);
}

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

/* Body */
body {
    font-family: Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0;
    min-height: 100vh;
}

/* Top Banner */
.top-banner {
    background: var(--accent);
    padding: 0 20px;
    height: 48px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.back-button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px 10px;
    display: flex;
    align-items: center;
    transition: transform 0.2s;
    text-decoration: none;
    line-height: 1;
}

.back-button:hover {
    transform: translateX(-3px);
}

.banner-title {
    font-size: 1.1em;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-primary);
    line-height: 1;
}

/* Container */
.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
}

/* Section Styles */
.section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
}

.control-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
}

.control-section:fullscreen {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    padding: 20px;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
}

.control-section:fullscreen .effects-grid {
    flex: 1;
    overflow: hidden;
    gap: 20px;
    min-height: 0;
}

/* Model 1 Section: 2x2 grid (4 effects) */
#model1Section:fullscreen .effects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: min(2vw, 2vh);
    align-content: center;
    justify-content: center;
}

/* Essential Effects: 2x2 grid (4 effects) */
#essentialEffectsSection:fullscreen .effects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: min(2vw, 2vh);
    align-content: center;
    justify-content: center;
}

/* Additional Effects: 3 columns responsive grid */
#additionalEffectsSection:fullscreen .effects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(30vw, 400px), 1fr));
    gap: min(2vw, 2vh);
    overflow: auto;
}

/* Make effect cards fill available space in fullscreen */
.control-section:fullscreen .effect-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.control-section:fullscreen .effect-header {
    flex-shrink: 0;
}

/* Center the knobs container within the effect card */
.control-section:fullscreen .effect-card > div[style*="display: flex"] {
    justify-content: center !important;
    align-items: center !important;
    flex: 1;
}

/* Enlarge knobs/controls in fullscreen for better touch */
/* Default: multiple knobs (3+) */
.control-section:fullscreen pad-knob {
    width: min(12vw, 12vh, 180px) !important;
    height: min(15vw, 15vh, 220px) !important;
    font-size: 1.1em;
}

/* 2 knobs in an effect - make them bigger */
/* Use :nth-last-of-type to count only pad-knob elements, ignoring LEDs */
.control-section:fullscreen .effect-card pad-knob:nth-last-of-type(2):nth-of-type(1),
.control-section:fullscreen .effect-card pad-knob:nth-last-of-type(1):nth-of-type(2) {
    width: min(18vw, 18vh, 250px) !important;
    height: min(22vw, 22vh, 300px) !important;
    font-size: 1.3em;
}

/* 1 knob in an effect - make it bigger for easy touch control */
.control-section:fullscreen .effect-card pad-knob:only-of-type {
    width: min(25vw, 25vh, 320px) !important;
    height: min(30vw, 30vh, 380px) !important;
    font-size: 1.5em;
}

/* Better spacing for effect cards with fewer knobs */
.control-section:fullscreen .effect-card > div[style*="display: flex"] {
    gap: max(20px, 3vw);
    padding: 2vh 2vw;
}

.control-section:fullscreen::after {
    content: '✕';
    display: block;
    position: fixed;
    top: 10px;
    right: 10px;
    font-size: 20px;
    color: var(--text-primary);
    opacity: 0.6;
    transition: opacity 0.2s, color 0.2s;
    pointer-events: auto;
    background: rgba(207, 26, 55, 0.8);
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    font-weight: bold;
}

.control-section:fullscreen::after:hover {
    opacity: 1;
    background: rgba(207, 26, 55, 1);
}

.section-title {
    color: #0066FF;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fullscreen-btn {
    background: var(--bg-tertiary);
    color: #0066FF;
    border: 1px solid var(--border);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    text-transform: none;
}

.fullscreen-btn:hover {
    border-color: #0066FF;
    background: #3a3a3a;
    color: #CF1A37;
}

/* Hide fullscreen button when section is in fullscreen */
.control-section:fullscreen .fullscreen-btn {
    display: none;
}

.drum-pads:fullscreen .fullscreen-btn {
    display: none;
}

.keyboard-container:fullscreen .fullscreen-btn {
    display: none;
}

/* Common Controls */
button, select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-family: Arial, sans-serif;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
}

button:hover, select:hover {
    border-color: #4a4a4a;
    background: #3a3a3a;
}

button:active {
    background: #0066FF;
    color: #fff;
}

button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

button:disabled:hover {
    border-color: var(--border);
    color: var(--text-primary);
    box-shadow: none;
}

/* Visualizer Containers */
.visualizer-container {
    position: relative;
    cursor: pointer;
    transition: border-color 0.2s;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    height: 150px;
}

.visualizer-container:hover {
    border-color: var(--accent);
}

.visualizer-container:fullscreen {
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 0;
}

.visualizer-container:fullscreen canvas {
    width: 100% !important;
    height: 100% !important;
    max-width: 100vw;
    max-height: 100vh;
}

/* Visualizer control buttons */
.viz-popout-btn,
.viz-fullscreen-btn {
    position: absolute;
    top: 5px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-secondary);
    border: none;
    padding: 4px 8px;
    border-radius: 2px;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s, color 0.2s;
    z-index: 10;
}

.viz-popout-btn {
    right: 40px;
}

.viz-fullscreen-btn {
    right: 8px;
}

.viz-popout-btn:hover,
.viz-fullscreen-btn:hover {
    opacity: 1;
    color: var(--accent);
}

/* Toggle button for VU/Freq switch */
.viz-toggle-btn {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s, color 0.2s, border-color 0.2s;
    z-index: 10;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.viz-toggle-btn:hover {
    opacity: 1;
    color: var(--accent);
    border-color: var(--accent);
}

/* Hide visualizer buttons when in fullscreen */
.visualizer-container:fullscreen .viz-popout-btn,
.visualizer-container:fullscreen .viz-fullscreen-btn {
    display: none;
}

.visualizer-container:fullscreen::after {
    content: '✕';
    display: block;
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 10px 15px;
    background: rgba(207, 26, 55, 0.8);
    color: white;
    border-radius: 4px;
    font-size: 20px;
    text-align: center;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s, background 0.2s;
    cursor: pointer;
    z-index: 1000;
    font-weight: bold;
}

.visualizer-container:fullscreen::after:hover {
    opacity: 1;
    background: rgba(207, 26, 55, 1);
}

/* Canvas */
canvas {
    width: 100%;
    height: 100%;
    background: transparent;
    display: block;
    border: none;
    border-radius: 0;
}

/* Info Text */
.info {
    font-size: 11px;
    color: #666;
    margin-top: 10px;
    line-height: 1.5;
}


/* ============================================================
   INDEX PAGE - LAUNCHER
   ============================================================ */

body.index-page {
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.index-page .container {
    max-width: 800px;
}

.launcher-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.launcher-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.launcher-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, var(--accent-dim) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.launcher-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px var(--shadow);
    transform: translateY(-5px);
}

.launcher-card:hover::before {
    opacity: 0.1;
}

.launcher-card-content {
    position: relative;
    z-index: 1;
}

.launcher-icon {
    font-size: 3em;
    margin-bottom: 20px;
    display: block;
}

.launcher-title {
    font-size: 1.4em;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: bold;
}

.launcher-card:hover .launcher-title {
    color: var(--accent);
}

.launcher-description {
    font-size: 0.85em;
    color: var(--text-secondary);
    line-height: 1.5;
    letter-spacing: 0.5px;
}


/* ============================================================
   PLAYER PAGE - EFFECTS TESTER
   ============================================================ */

h1 {
    font-size: 2.5em;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.subtitle {
    color: #0066FF;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 10px 15px;
    margin-bottom: 20px;
    font-size: 0.85em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-bar.wasm {
    border-color: #0066FF;
    color: #0066FF;
}

.status-bar.fallback {
    border-color: #ff9900;
    color: #ff9900;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.controls-grid button,
.controls-grid select {
    width: 100%;
}

.file-input {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input input[type=file] {
    position: absolute;
    font-size: 100px;
    opacity: 0;
    right: 0;
    top: 0;
    cursor: pointer;
}

.effects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.effect-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 15px;
    transition: all 0.3s;
}

.effect-card.enabled {
    border-color: #CF1A37;
    box-shadow: 0 0 15px rgba(207, 26, 55, 0.3);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #2a1a1a 100%);
}

.effect-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.effect-title {
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.effect-card.enabled .effect-title {
    color: #CF1A37;
}

.toggle-switch {
    width: 50px;
    height: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--text-secondary);
    left: 2px;
    top: 2px;
    transition: all 0.3s;
}

.toggle-switch.active {
    background: #a01528;
    border-color: #CF1A37;
}

.toggle-switch.active::after {
    left: 28px;
    background: #CF1A37;
}

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

.param-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.75em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.param-value {
    color: #CF1A37;
    font-weight: bold;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: #CF1A37;
    cursor: pointer;
    border: 1px solid #CF1A37;
}

input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: #CF1A37;
    cursor: pointer;
    border: 1px solid #CF1A37;
}

pad-knob {
    display: inline-block;
}

.device-selector {
    margin-top: 10px;
}

.device-selector select {
    width: 100%;
}

.modmed-button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.85em;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 60px;
    box-sizing: border-box;
}

.modmed-button:hover {
    background: #3a3a3a;
}

.modmed-button:active {
    transform: scale(0.95);
}

.modmed-channel-button {
    background: #00AA00;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.85em;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 60px;
    box-sizing: border-box;
}

.modmed-channel-button:hover {
    background: #00FF00;
}

.modmed-channel-button.muted {
    background: #AA0000;
}

.modmed-channel-button.muted:hover {
    background: #FF0000;
}

.modmed-channel-button:active {
    transform: scale(0.95);
}

.modmed-loop-button {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.85em;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 60px;
    box-sizing: border-box;
}

.modmed-loop-button:hover {
    background: #3a3a3a;
}

.modmed-loop-button.active {
    background: #AAAA00;
    color: var(--text-primary);
}

.modmed-loop-button.active:hover {
    background: #FFFF00;
    color: var(--text-primary);
}

.modmed-loop-button:active {
    transform: scale(0.95);
}


/* ============================================================
   SYNTH PAGE - SYNTH TESTER
   ============================================================ */

.midi-source {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.midi-source button,
.midi-source select {
    width: 100%;
}

.synth-engines {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.synth-engines button.active {
    background: #CF1A37;
    border-color: #CF1A37;
}

.viz-container {
    display: grid;
    grid-template-columns: 200px 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

/* freq-viz is now a canvas visualizer - DIV styles removed */

.drum-pads {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    position: relative;
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: 4px;
}

.drum-pads:hover {
    border-color: #4a4a4a;
}

.drum-pads:fullscreen {
    background: var(--bg-primary);
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: min(1.5vw, 1.5vh);
    padding: min(2vw, 2vh);
    border-radius: 0;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
}

.drum-pads:fullscreen .drum-pad {
    font-size: clamp(12px, 2vmin, 20px);
    aspect-ratio: 1;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.drum-pads:fullscreen::after {
    content: '✕';
    display: block;
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
    color: var(--text-primary);
    opacity: 0.6;
    transition: opacity 0.2s, color 0.2s;
    pointer-events: auto;
    background: rgba(207, 26, 55, 0.8);
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    font-weight: bold;
}

.drum-pads:fullscreen::after:hover {
    opacity: 1;
    background: rgba(207, 26, 55, 1);
}

.drum-pad {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 2px solid #3a3a3a;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    touch-action: none;
    transition: all 0.1s;
}

.drum-pad:hover {
    border-color: #0066FF;
}

.drum-pad:active, .drum-pad.active {
    background: #CF1A37;
    border-color: #ff3333;
    transform: scale(0.95);
}

.drum-pad-name {
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.drum-pad-note {
    font-size: 10px;
    color: #666;
}

.status {
    display: flex;
    gap: 20px;
    font-size: 12px;
}

.status-item {
    color: #666;
}

.status-item span {
    color: #0066FF;
    font-weight: bold;
}

.status-item.connected span {
    color: #00FF00;
}

.keyboard-toggle {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid #3a3a3a;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: 10px;
}

.keyboard-toggle:hover {
    border-color: #4a4a4a;
}

.keyboard-toggle.active {
    background: #0066FF;
    border-color: #0088FF;
}

.keyboard-container {
    display: none;
    background: var(--bg-primary);
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 10px;
    min-height: 500px;
    position: relative;
}

.keyboard-container:hover {
    border-color: #4a4a4a;
}

.keyboard-container.visible {
    display: block;
}

.keyboard-container:fullscreen {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-radius: 0;
    width: 100vw;
    height: 100vh;
    min-height: 0;
}

.keyboard-container:fullscreen .piano-keyboard {
    height: 70vh;
    width: 95vw;
}

.keyboard-container:fullscreen::after {
    content: '✕';
    display: block;
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
    color: var(--text-primary);
    opacity: 0.6;
    transition: opacity 0.2s, color 0.2s;
    pointer-events: auto;
    background: rgba(207, 26, 55, 0.8);
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    font-weight: bold;
}

.keyboard-container:fullscreen::after:hover {
    opacity: 1;
    background: rgba(207, 26, 55, 1);
}

.keyboard-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.keyboard-controls label {
    color: #888;
    font-size: 11px;
    text-transform: uppercase;
}

.keyboard-controls select {
    flex: 1;
    min-width: 0;
}

.octave-controls {
    display: flex;
    gap: 5px;
    align-items: center;
}

.octave-btn {
    padding: 8px 15px;
    background: var(--bg-tertiary);
    border: 1px solid #3a3a3a;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
}

.octave-btn:hover {
    border-color: #4a4a4a;
}

.octave-btn:active {
    background: #0066FF;
}

.piano-keyboard {
    display: flex;
    height: 400px;
    width: 100%;
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 10px;
    overflow: hidden;
    justify-content: center;
    align-items: stretch;
}

.keyboard-info {
    margin-top: 10px;
    font-size: 10px;
    color: #666;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 1.5em;
    }

    .launcher-grid {
        grid-template-columns: 1fr;
    }

    .controls-grid {
        grid-template-columns: 1fr;
    }

    .effects-grid {
        grid-template-columns: 1fr;
    }
}