/* ================================================================
   half-duplex.css — Half-Duplex Audio page-specific styles
   Built on top of duplex-shared.css
   ================================================================ */

/* ========== Override main grid: 4:5 like audio-duplex ========== */
.main {
    grid-template-columns: 4fr 5fr;
}

/* ========== Left Column layout ========== */
.col-left .row-top {
    display: flex;
    gap: 10px;
    flex: 1;
    min-height: 0;
    background: #fff;
    border-radius: 10px;
    padding: 8px;
}
.col-left .row-top .panel-media {
    flex: 1;
    min-width: 0;
    border-radius: 8px;
    overflow: hidden;
}
.col-left .row-bottom {
    display: flex;
    gap: 8px;
    flex: none;
}
.col-left .row-bottom .panel-config {
    flex: 1;
}
.col-left .row-bottom .panel-status {
    flex: 1;
}

/* ========== Waveform Panel ========== */
.panel-media.waveform-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
#waveformCanvas {
    width: 100%;
    height: 100%;
    display: block;
}
.waveform-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    display: none;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    z-index: 10;
}
.waveform-overlay.visible { display: flex; }
.waveform-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #ef4444;
    animation: mic-pulse 1.2s infinite;
}
@keyframes mic-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.waveform-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
}

/* ========== Status Lamp ========== */
.panel-media { position: relative; }
.status-lamp {
    position: absolute;
    top: 8px;
    right: 8px;
    display: none;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(12px);
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    z-index: 10;
}
.status-lamp.visible { display: flex; }
.status-lamp .dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.status-lamp .timer {
    font-size: 11px; font-weight: 500; opacity: 0.7;
    font-variant-numeric: tabular-nums;
}
.status-lamp.live .dot { background: #ef4444; animation: pulse-dot 1.5s ease-in-out infinite; }
.status-lamp.speaking .dot { background: #16a34a; animation: pulse-dot 0.8s ease-in-out infinite; }
.status-lamp.generating .dot { background: #eab308; animation: pulse-dot 1s ease-in-out infinite; }
.status-lamp.stopped .dot { background: #888; }
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ========== VAD range input styling ========== */
.panel-config input[type="range"] {
    accent-color: #2d2d2d;
    height: 4px;
}


/* ========== Always allow body to scroll when content overflows ========== */
html {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
body {
    height: auto !important;
    min-height: 100vh;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
}

/* ========== Tablet & Phone: fixed bottom controls + scrollable layout ========== */
@media (max-width: 1024px) {
    .main {
        height: auto;
        max-height: none;
        overflow: visible;
        padding-bottom: 72px;
    }

    .col-left, .col-right {
        overflow: visible;
    }

    .panel-controls {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        border-radius: 10px 10px 0 0;
        box-shadow: 0 -2px 12px rgba(0,0,0,0.1);
    }
}

@media (hover: none) and (pointer: coarse) {
    .main {
        height: auto;
        max-height: none;
        overflow: visible;
        padding-bottom: 72px;
    }

    .col-left, .col-right {
        overflow: visible;
    }

    .panel-controls {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        border-radius: 10px 10px 0 0;
        box-shadow: 0 -2px 12px rgba(0,0,0,0.1);
    }
}

/* ========== Mobile responsive ========== */
@media (max-width: 768px) {
    .col-left .row-top,
    .col-left .row-bottom {
        flex-direction: column;
    }
    .status-lamp {
        font-size: 11px;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .main {
        padding-bottom: 64px;
    }
    .panel-controls {
        padding: 10px 8px;
    }
}