:root {
    --bg-main: #0a0a0a;
    --bg-panel: #141414;
    --bg-card: #1c1c1c;
    --border-ui: #2a2a2a;
    --accent: #00e5ff;
    --accent-glow: rgba(0, 229, 255, 0.15);
    --text-high: #ffffff;
    --text-med: #a0a0a0;
    --text-low: #666666;
    --meter-bg: #000000;
}

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

body.dark-theme {
    background-color: var(--bg-main);
    color: var(--text-med);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background: var(--bg-panel);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-ui);
    z-index: 10;
}

.logo {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    /* color: var(--text-high); */
    background: linear-gradient(135deg, #9be7ff, #7c5cff, #b74fff);
    /* -webkit-background-clip: text; */
    background-clip: text;
    color: transparent;
    cursor: pointer;
}

.logo span.title-type{
    color: var(--accent);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.5rem;
    /* max-width: 1600px; */
    /* margin: 0 auto; */
    width: 100%;
    overflow-y: auto;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

@media (min-width: 1200px) {
    .analysis-grid {
        grid-template-columns: 320px 320px 1fr;
    }
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-ui);
    border-radius: 6px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header label {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-low);
    letter-spacing: 0.1em;
}

.metric-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.metric-row {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.metric-sub-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.sub-label {
    font-size: 0.55rem;
    font-weight: 700;
    color: var(--text-low);
    text-transform: uppercase;
}

.metric-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.metric-label {
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--text-med);
}

.metric-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent-glow);
}

.metric-small-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    margin-top: 0.2rem;
}

.status-tag {
    font-size: 0.55rem;
    padding: 2px 6px;
    background: #443300;
    color: #ffaa00;
    border-radius: 4px;
    font-weight: 800;
}

.hidden { display: none; }

.metric-divider {
    height: 1px;
    background: var(--border-ui);
    margin: 0.25rem 0;
}

.meter-track {
    height: 6px;
    background: var(--meter-bg);
    border-radius: 100px;
    overflow: hidden;
    border: 1px solid #000;
}

.meter-bar {
    height: 100%;
    width: 0%;
    border-radius: 100px;
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.spectrum-card {
    min-height: 160px;
}

#spectrum-canvas {
    flex: 1;
    width: 100%;
    height: 100%;
    background: #050505;
    border-radius: 4px;
    border: 1px solid #000;
}

.waveform-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-ui);
    border-radius: 8px;
    padding: 1.5rem;
    min-height: 200px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
}

.transport-control {
    background: var(--bg-panel);
    padding: 1rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-ui);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.6rem 1.25rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    transition: all 0.2s;
    letter-spacing: 0.05em;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { filter: brightness(1.2); }

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

.selection-display {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.selection-display .label { font-size: 0.65rem; color: var(--text-low); font-weight: 800; }
.selection-display .mono { font-family: 'JetBrains Mono', monospace; font-size: 1.1rem; color: var(--accent); }
.selection-display .limit { font-size: 0.65rem; color: var(--text-low); }

.zoom-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 200px;
}

.zoom-control .label { font-size: 0.65rem; color: var(--text-low); font-weight: 800; }

input[type="range"] {
    flex: 1;
    height: 4px;
    background: var(--border-ui);
    border-radius: 2px;
    appearance: none;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 5px var(--accent-glow);
}

.text-muted{
    /* font-size: x-small !important; */
    color: gray !important;
    font-weight: 700 !important;
    letter-spacing: normal !important;
}

/* .transport-btn svg {
  transition: transform 0.15s ease, color 0.15s ease;
}

.transport-btn:active svg {
  transform: scale(0.9);
} */

/* .volume{
    float:right;
    margin-top: -17px;
    margin-bottom: 7px;
} */