/* ===== Flip Clock (Split-Flap) Theme ===== */

.fl-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);
}

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

.fl-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;
}

.fl-switch:focus-visible {
    outline: 2px solid rgba(251, 146, 60, 0.6);
    outline-offset: 2px;
}

.fl-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;
}

.fl-switch[aria-pressed="true"] {
    background: rgba(251, 146, 60, 0.18);
    border-color: rgba(251, 146, 60, 0.45);
    box-shadow: 0 0 12px rgba(251, 146, 60, 0.25);
}

.fl-switch[aria-pressed="true"] .fl-switch-thumb {
    transform: translateX(18px);
    background: #fb923c;
    box-shadow: 0 0 8px rgba(251, 146, 60, 0.7);
}

/* ===== Stage ===== */
.fl-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.fl-clock {
    --card-w: clamp(40px, 5.5vw, 64px);
    --card-h: calc(var(--card-w) * 1.55);

    display: flex;
    align-items: stretch;
    gap: clamp(4px, 0.5vw, 8px);
    padding: 28px 32px;
    border-radius: 18px;
    background:
        radial-gradient(ellipse at center top,
            #2a2620 0%,
            #1a1614 75%,
            #0d0b0a 100%);
    box-shadow:
        0 24px 50px -22px rgba(0, 0, 0, 0.8),
        0 8px 16px -6px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        inset 0 -1px 0 rgba(0, 0, 0, 0.5);
}

.fl-group {
    display: flex;
    gap: clamp(3px, 0.4vw, 6px);
}

.fl-sep {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Georgia", "Times New Roman", serif;
    font-size: calc(var(--card-h) * 0.42);
    font-weight: 700;
    color: #d6cfc3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    line-height: 1;
    padding-bottom: 4%;
}

/* ===== Single card (top half / bottom half) ===== */
.fl-card {
    position: relative;
    width: var(--card-w);
    height: var(--card-h);
    border-radius: 6px;
    overflow: hidden;
    background: #15110d;
    box-shadow:
        inset 0 0 0 1px rgba(0, 0, 0, 0.6),
        0 2px 6px rgba(0, 0, 0, 0.5);
    perspective: 600px;
}

.fl-card-face {
    position: absolute;
    left: 0;
    right: 0;
    height: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 800;
    font-size: calc(var(--card-h) * 0.55);
    color: #f5ecdc;
    background: linear-gradient(180deg, #2c2620 0%, #1d1815 100%);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
    backface-visibility: hidden;
    overflow: hidden;
}

.fl-card-face.top {
    top: 0;
    align-items: flex-end;
    padding-bottom: 2px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.4);
    border-radius: 6px 6px 0 0;
    background: linear-gradient(180deg, #322a23 0%, #221c17 100%);
}

.fl-card-face.top::after {
    /* slight shade line at bottom edge of top flap */
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.45);
}

.fl-card-face.bottom {
    bottom: 0;
    align-items: flex-start;
    padding-top: 2px;
    border-radius: 0 0 6px 6px;
    background: linear-gradient(180deg, #1c1814 0%, #2a231d 100%);
}

/* Live halves (animated parts) */
.fl-card-half {
    position: absolute;
    left: 0;
    right: 0;
    height: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 800;
    font-size: calc(var(--card-h) * 0.55);
    color: #f5ecdc;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.6);
    backface-visibility: hidden;
}

.fl-card-half.upper {
    top: 0;
    align-items: flex-end;
    padding-bottom: 2px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.45);
    border-radius: 6px 6px 0 0;
}

.fl-card-half.lower {
    bottom: 0;
    align-items: flex-start;
    padding-top: 2px;
    border-radius: 0 0 6px 6px;
}

.fl-card-half.flipping {
    top: 0;
    transform-origin: 50% 100%;
    animation: fl-flip 520ms cubic-bezier(0.45, 0, 0.55, 1) forwards;
    background: linear-gradient(180deg, #322a23 0%, #221c17 100%);
    z-index: 2;
}

.fl-card-half.flipping-lower {
    top: 50%;
    transform-origin: 50% 0%;
    animation: fl-flip-up 520ms cubic-bezier(0.45, 0, 0.55, 1) forwards;
    background: linear-gradient(180deg, #1c1814 0%, #2a231d 100%);
    z-index: 2;
}

@keyframes fl-flip {
    0%   { transform: rotateX(0deg); }
    100% { transform: rotateX(-180deg); }
}

@keyframes fl-flip-up {
    0%   { transform: rotateX(0deg); }
    100% { transform: rotateX(180deg); }
}

/* Meridiem badge */
.fl-meridiem {
    align-self: flex-end;
    margin-left: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    background: linear-gradient(180deg, #322a23 0%, #221c17 100%);
    color: #f5ecdc;
    font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    font-weight: 800;
    font-size: calc(var(--card-h) * 0.16);
    letter-spacing: 0.18em;
    box-shadow:
        inset 0 0 0 1px rgba(0, 0, 0, 0.4),
        0 2px 6px rgba(0, 0, 0, 0.5);
}

.fl-meridiem[hidden] { display: none; }

.fl-clock.no-seconds .fl-group-seconds,
.fl-clock.no-seconds .fl-sep-seconds {
    display: none;
}

@media (max-width: 640px) {
    .fl-clock { padding: 16px 16px; gap: 3px; }
    .fl-toolbar { gap: 6px 12px; padding: 5px 10px; }
    .fl-toggle-label { font-size: 11px; }
}