/* Page header styling (metronome page doesn't have its own shared header styles) */
.page-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

/* (home button removed; navigation lives in sidebar) */

.metronome-container {
    max-width: 980px;
    margin: 0 auto;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 1.6px;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin: 0 0 8px 0;
}

.metro-card {
    position: relative;
    background:
        radial-gradient(1200px 600px at 20% -20%, rgba(187, 134, 252, 0.22), transparent 55%),
        radial-gradient(900px 500px at 120% 0%, rgba(3, 218, 198, 0.18), transparent 50%),
        rgba(18, 18, 18, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 22px;
    box-shadow:
        0 16px 44px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.metro-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 40%);
    pointer-events: none;
}

.metro-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 18px;
    position: relative;
    z-index: 1;
}

.metro-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text-color);
}

.metro-subtitle {
    margin: 8px 0 0 0;
    color: var(--text-dim);
    font-style: italic;
}

.metro-readouts {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.readout {
    min-width: 110px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 10px 12px;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.readout-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-weight: 800;
}

.readout-value {
    margin-top: 6px;
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--accent-color);
    line-height: 1;
}

.metro-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 18px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

.metro-left {
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 16px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.tempo-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

#tempo-slider {
    flex: 1;
}

#tempo-input {
    width: 90px;
    padding: 10px;
    text-align: center;
}

.actions-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.hint {
    margin: 10px 0 0 0;
    color: var(--text-dim);
    font-size: 0.85rem;
}

.play-btn {
    background-color: var(--secondary-color);
    color: #000;
    font-weight: 900;
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    min-width: 120px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 10px 22px rgba(3, 218, 198, 0.15);
}

.play-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.stop-btn {
    background-color: var(--highlight-color) !important;
    color: white !important;
    box-shadow: 0 10px 22px rgba(207, 102, 121, 0.18) !important;
}

.stop-all-btn {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 12px 16px;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s ease;
}

.stop-all-btn:hover {
    border-color: var(--highlight-color);
    color: var(--highlight-color);
    transform: translateY(-1px);
}

.metro-right {
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 16px;
    display: flex;
}

.visual-stage {
    width: 100%;
    border-radius: 14px;
    background:
        radial-gradient(450px 220px at 50% 30%, rgba(187, 134, 252, 0.18), transparent 60%),
        radial-gradient(420px 220px at 45% 70%, rgba(3, 218, 198, 0.16), transparent 65%),
        rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 18px;
    position: relative;
    overflow: hidden;
}

.glow-ring {
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    border: 2px solid rgba(187, 134, 252, 0.18);
    box-shadow:
        0 0 0 10px rgba(187, 134, 252, 0.03),
        0 0 38px rgba(187, 134, 252, 0.18);
    filter: blur(0.2px);
    opacity: 0.9;
    pointer-events: none;
}

.pendulum {
    width: 220px;
    height: 170px;
    position: relative;
    transform-origin: 50% 10px;
}

.pendulum-arm {
    position: absolute;
    left: 50%;
    top: 6px;
    width: 4px;
    height: 120px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.12));
    transform: translateX(-50%);
    border-radius: 999px;
}

.pendulum-bob {
    position: absolute;
    left: 50%;
    top: 112px;
    width: 44px;
    height: 44px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff, var(--accent-color) 45%, rgba(187, 134, 252, 0.2) 70%);
    box-shadow:
        0 0 24px rgba(187, 134, 252, 0.35),
        0 10px 22px rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.16);
}

.beat-visual {
    display: flex;
    justify-content: center;
}

.beat-track {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.beat-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 900;
    transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.6);
}

.beat-dot.accent {
    border-color: rgba(3, 218, 198, 0.35);
}

.beat-dot.active {
    background: radial-gradient(circle at 30% 30%, #fff, var(--accent-color));
    color: #000;
    border-color: rgba(187, 134, 252, 0.8);
    box-shadow:
        0 0 22px rgba(187, 134, 252, 0.45),
        0 10px 22px rgba(0, 0, 0, 0.55);
    transform: translateY(-2px) scale(1.08);
}

/* Tick animations */
.metro-card.tick .glow-ring {
    animation: ringPulse 160ms ease-out;
}

.metro-card.accent-tick .glow-ring {
    animation: ringPulseAccent 200ms ease-out;
}

@keyframes ringPulse {
    0% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.04); opacity: 1; }
    100% { transform: scale(1); opacity: 0.9; }
}

@keyframes ringPulseAccent {
    0% { transform: scale(1); box-shadow: 0 0 0 10px rgba(3, 218, 198, 0.05), 0 0 44px rgba(3, 218, 198, 0.22); }
    55% { transform: scale(1.06); box-shadow: 0 0 0 12px rgba(3, 218, 198, 0.07), 0 0 56px rgba(3, 218, 198, 0.28); }
    100% { transform: scale(1); box-shadow: 0 0 0 10px rgba(187, 134, 252, 0.03), 0 0 38px rgba(187, 134, 252, 0.18); }
}

@media (max-width: 968px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .metro-grid {
        grid-template-columns: 1fr;
    }
    .metro-readouts {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 520px) {
    .readout { min-width: 98px; }
    .beat-dot { width: 32px; height: 32px; }
    .glow-ring { width: 210px; height: 210px; }
}