/* ===== Binary Clock Theme ===== */

.bin-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(6px);
}

.bin-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted, #6b7280);
    letter-spacing: 0.02em;
    user-select: none;
}

.bin-switch {
    position: relative;
    width: 38px;
    height: 20px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.bin-switch:focus-visible {
    outline: 2px solid rgba(94, 234, 212, 0.6);
    outline-offset: 2px;
}

.bin-switch-thumb {
    position: absolute;
    top: 1px;
    left: 1px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #94a3b8;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.25s ease,
                box-shadow 0.25s ease;
}

.bin-switch[aria-pressed="true"] {
    background: rgba(94, 234, 212, 0.18);
    border-color: rgba(94, 234, 212, 0.45);
    box-shadow: 0 0 12px rgba(94, 234, 212, 0.25);
}

.bin-switch[aria-pressed="true"] .bin-switch-thumb {
    transform: translateX(18px);
    background: #5eead4;
    box-shadow: 0 0 8px rgba(94, 234, 212, 0.7);
}

/* ===== Board ===== */
.bin-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 24px;
}

.bin-board {
    --dot: clamp(28px, 4.5vw, 44px);
    --col-gap: clamp(14px, 2.4vw, 28px);
    --row-gap: clamp(6px, 1vw, 12px);

    display: flex;
    align-items: flex-start;
    gap: var(--col-gap);
    padding: 28px 32px;
    border-radius: 14px;
    background: linear-gradient(160deg, #0e1116 0%, #161a22 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow:
        0 24px 50px -22px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        inset 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.bin-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--row-gap);
}

.bin-col-rows {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--row-gap);
    align-items: center;
}

.bin-label {
    font-family: "Menlo", "Monaco", "Consolas", monospace;
    font-size: clamp(10px, 1.1vw, 12px);
    font-weight: 700;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 10px;
}

.bin-dot {
    width: var(--dot);
    height: var(--dot);
    border-radius: 50%;
    background: #1c1f26;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow:
        inset 0 -2px 4px rgba(0, 0, 0, 0.55),
        inset 0 1px 1px rgba(255, 255, 255, 0.04);
    transition: background-color 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

/* Hours: amber */
.bin-col[data-col="hours"] .bin-dot.on {
    background: radial-gradient(circle at 35% 30%, #ffd99a 0%, #f59e0b 55%, #b45309 100%);
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow:
        0 0 10px rgba(245, 158, 11, 0.6),
        0 0 22px rgba(245, 158, 11, 0.35),
        inset 0 1px 2px rgba(255, 255, 255, 0.35),
        inset 0 -2px 4px rgba(0, 0, 0, 0.25);
}

/* Minutes: green */
.bin-col[data-col="minutes"] .bin-dot.on {
    background: radial-gradient(circle at 35% 30%, #bbf7d0 0%, #22c55e 55%, #14532d 100%);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow:
        0 0 10px rgba(34, 197, 94, 0.6),
        0 0 22px rgba(34, 197, 94, 0.35),
        inset 0 1px 2px rgba(255, 255, 255, 0.35),
        inset 0 -2px 4px rgba(0, 0, 0, 0.25);
}

/* Seconds: cyan */
.bin-col[data-col="seconds"] .bin-dot.on {
    background: radial-gradient(circle at 35% 30%, #a5f3fc 0%, #06b6d4 55%, #155e75 100%);
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow:
        0 0 10px rgba(6, 182, 212, 0.6),
        0 0 22px rgba(6, 182, 212, 0.35),
        inset 0 1px 2px rgba(255, 255, 255, 0.35),
        inset 0 -2px 4px rgba(0, 0, 0, 0.25);
}

/* Subtle pulse when seconds tick */
.bin-col-seconds .bin-dot.on {
    animation: bin-pulse 1s ease-out infinite;
}

@keyframes bin-pulse {
    0%   { filter: brightness(1); }
    50%  { filter: brightness(1.18); }
    100% { filter: brightness(1); }
}

/* Hide seconds column */
.bin-board.no-seconds .bin-col-seconds {
    display: none;
}

/* Readout (digital time string) */
.bin-readout {
    font-family: "Menlo", "Monaco", "Consolas", monospace;
    font-size: clamp(13px, 1.4vw, 16px);
    letter-spacing: 0.25em;
    color: rgba(255, 255, 255, 0.55);
    text-transform: uppercase;
}

@media (max-width: 640px) {
    .bin-board {
        --dot: clamp(22px, 9vw, 30px);
        --col-gap: 14px;
        --row-gap: 5px;
        padding: 16px 18px;
    }
    .bin-toolbar { gap: 6px 12px; padding: 5px 10px; }
    .bin-toggle-label { font-size: 11px; }
}