:root {
    --bg: #F2F0EB;
    --ink: #0A0A0A;
    --paper: #FFFFFF;
    --accent: #FF3B1F;
    --accent-text: #C42A14;
    --accent-2: #0033FF;
    --mute: #6B6B6B;
    --unit: 8px;
}

*:focus-visible {
    outline: 3px solid var(--accent-2);
    outline-offset: 2px;
}

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

body {
    font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--unit) * 3);
}

.container {
    background: var(--paper);
    border: 3px solid var(--ink);
    padding: calc(var(--unit) * 4);
    max-width: 1400px;
    width: 100%;
}

h1 {
    color: var(--ink);
    margin-bottom: calc(var(--unit) * 4);
    font-size: 40px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    border-bottom: 3px solid var(--ink);
    padding-bottom: calc(var(--unit) * 2);
}

.primary-controls {
    display: flex;
    gap: var(--unit);
    margin-bottom: calc(var(--unit) * 2);
}

.primary-controls .btn {
    flex: 1;
    text-align: center;
}

.controls {
    display: flex;
    align-items: center;
    gap: var(--unit);
    margin-bottom: calc(var(--unit) * 3);
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    font-size: 13px;
    border: 3px solid var(--ink);
    border-radius: 0;
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
    transition: background 80ms linear, color 80ms linear, box-shadow 80ms linear, transform 80ms linear;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 4px 4px 0 var(--ink);
}

.btn:active:not(:disabled) {
    box-shadow: 0 0 0 var(--ink);
    transform: translate(4px, 4px);
}

.btn-primary {
    background: var(--ink);
    color: var(--paper);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent);
    border-color: var(--ink);
}

.btn:disabled {
    background: var(--bg);
    color: var(--mute);
    border-color: var(--mute);
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
}

.btn-record {
    background: var(--paper);
    color: var(--ink);
}

.btn-record:hover:not(:disabled) {
    background: var(--ink);
    color: var(--paper);
}

.btn-record.recording {
    background: var(--accent);
    color: var(--ink);
    border-color: var(--ink);
}

.btn-record.recording::before {
    content: '\25CF';
    margin-right: 8px;
    animation: pulse 1s steps(1, end) infinite;
}

@keyframes pulse {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--unit);
    background: var(--paper);
    border: 2px solid var(--ink);
    padding: 8px 16px;
}

.toggle-label {
    font-weight: 700;
    color: var(--ink);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.toggle-switch {
    appearance: none;
    font: inherit;
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--paper);
    border: 2px solid var(--ink);
    border-radius: 0;
    cursor: pointer;
    transition: background 80ms linear;
}

.toggle-switch.active {
    background: var(--accent);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--ink);
    border-radius: 0;
    top: 2px;
    left: 2px;
    transition: transform 80ms linear;
}

.toggle-switch.active::after {
    transform: translateX(24px);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2px;
    margin-bottom: calc(var(--unit) * 3);
    border: 2px solid var(--ink);
}

.setting-item {
    background: var(--paper);
    padding: calc(var(--unit) * 2);
    border-radius: 0;
}

.setting-item + .setting-item {
    border-left: 2px solid var(--ink);
}

.setting-label {
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-field {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--ink);
    border-radius: 0;
    font-size: 16px;
    background: var(--paper);
    color: var(--ink);
    transition: border-color 80ms linear;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-2);
}

.input-field::placeholder {
    color: var(--mute);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-container input[type="range"] {
    flex: 1;
    cursor: pointer;
    accent-color: var(--ink);
}

.slider-value {
    font-weight: 800;
    color: var(--accent-text);
    min-width: 30px;
    font-family: monospace;
}

#manualInputSection {
    border: 2px solid var(--ink);
    margin-bottom: calc(var(--unit) * 2);
}

.video-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin-bottom: calc(var(--unit) * 3);
    border: 3px solid var(--ink);
}

.video-wrapper {
    position: relative;
    background: var(--ink);
    border-radius: 0;
    overflow: hidden;
}

.video-wrapper h2 {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--ink);
    background: var(--paper);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 14px;
    border-radius: 0;
    border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    z-index: 10;
}

video, canvas {
    width: 100%;
    height: auto;
    display: block;
}

.hidden {
    display: none !important;
}

.status {
    text-align: center;
    color: var(--mute);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.settings-accordion {
    border: 2px solid var(--ink);
}

.settings-accordion summary {
    list-style: none;
    cursor: pointer;
    padding: 14px 16px;
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink);
    background: var(--paper);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.settings-accordion summary::-webkit-details-marker {
    display: none;
}

.settings-accordion summary::after {
    content: '+';
    font-size: 18px;
    line-height: 1;
}

.settings-accordion[open] summary::after {
    content: '\2212';
}

.settings-accordion[open] summary {
    border-bottom: 2px solid var(--ink);
}

.settings-body {
    padding: calc(var(--unit) * 3);
}

.settings-body .settings-grid {
    margin-bottom: calc(var(--unit) * 3);
}

.recordings-empty {
    color: var(--mute);
    font-size: 13px;
    font-weight: 600;
}

.recordings-list {
    list-style: none;
    border: 2px solid var(--ink);
}

.recordings-list:empty {
    display: none;
}

.recording-item {
    display: flex;
    align-items: center;
    gap: var(--unit);
    padding: 12px 16px;
    flex-wrap: wrap;
}

.recording-item + .recording-item {
    border-top: 2px solid var(--ink);
}

.recording-name {
    flex: 1 1 160px;
    min-width: 120px;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    padding: 4px 0;
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    font-family: inherit;
}

.recording-name:hover,
.recording-name:focus {
    border-bottom-color: var(--ink);
    outline: none;
}

.recording-meta {
    font-family: monospace;
    font-size: 12px;
    color: var(--mute);
    white-space: nowrap;
}

.recording-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.btn-chip {
    display: inline-block;
    padding: 6px 14px;
    border: 2px solid var(--ink);
    background: var(--paper);
    color: var(--ink);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    cursor: pointer;
    transition: background 80ms linear, color 80ms linear;
}

.btn-chip:hover {
    background: var(--ink);
    color: var(--paper);
}

.btn-chip-danger:hover {
    background: var(--accent-text);
    color: var(--paper);
    border-color: var(--accent-text);
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .toggle-switch,
    .toggle-switch::after,
    .input-field {
        transition: none;
    }

    .btn-record.recording::before {
        animation: none;
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .video-container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 28px;
    }

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

    .setting-item + .setting-item {
        border-left: none;
        border-top: 2px solid var(--ink);
    }

    .primary-controls {
        flex-direction: column;
    }

    .recording-actions {
        margin-left: 0;
        width: 100%;
    }
}