/* Schedule Bar — MusEdLab */

.sb-container [hidden],
.sb-container [hidden].sb-card { display: none !important; }

.sb-container { max-width: 960px; }

.sb-header h1 { font-size: 2.25rem; }
.sb-header h1 .ti {
    color: var(--color-primary);
    margin-right: 0.25rem;
}

.sb-main { display: flex; flex-direction: column; gap: var(--space-lg); }

.sb-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
}

/* Buttons */
.sb-btn {
    min-height: 44px;
    padding: 0.55rem 1.15rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-strong);
    background: var(--color-surface);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: background var(--transition-fast), filter var(--transition-fast),
                transform var(--transition-fast);
}
.sb-btn:hover { background: var(--color-background); }
.sb-btn:active { transform: translateY(1px); }
.sb-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.sb-btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-color: transparent;
}
.sb-btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    filter: brightness(1.06);
}
.sb-btn-big {
    min-height: 52px;
    padding: 0.65rem 1.75rem;
    font-size: 1.05rem;
}

/* ----- Setup ----- */
.sb-segment-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}
.sb-segment-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.sb-seg-name {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 48px;
    padding: 0.5rem 0.85rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font: inherit;
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--color-surface);
}
.sb-seg-min {
    flex: 0 0 5.5rem;
    min-height: 48px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font: inherit;
    font-size: 1rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
    color: var(--color-text-primary);
    background: var(--color-surface);
}
.sb-seg-name:focus, .sb-seg-min:focus {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 1px;
}
.sb-min-label {
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
    flex: 0 0 auto;
}
.sb-seg-remove {
    flex: 0 0 auto;
    width: 44px; height: 44px;
    border: none;
    background: transparent;
    color: var(--color-error);
    font-size: 1.15rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.sb-seg-remove:hover { background: var(--color-error-bg); }

.sb-add-btn {
    width: 100%;
    min-height: 52px;
    border: 2px dashed var(--color-primary-light);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-primary);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: var(--space-lg);
    transition: background var(--transition-fast);
}
.sb-add-btn:hover { background: var(--color-background); }

.sb-error {
    color: var(--color-error);
    font-weight: 600;
    margin: 0 0 var(--space-md);
}

.sb-setup-actions { display: flex; justify-content: center; }

/* ----- Run ----- */
.sb-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-xl);
}
.sb-chip {
    padding: 0.7rem 1.2rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-weight: 700;
    text-align: center;
    transition: transform var(--transition-base), border-color var(--transition-base),
                color var(--transition-base), background var(--transition-base);
}
.sb-chip-check { display: none; }
.sb-chip.is-done {
    border-color: var(--color-success, #16a34a);
    background: var(--color-success-bg, #f0fdf4);
    color: var(--color-success, #15803d);
}
.sb-chip.is-done .sb-chip-check { display: inline; }
.sb-chip.is-current {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: scale(1.06);
    box-shadow: var(--shadow-sm);
}
.sb-chip.is-current.is-headsup {
    border-color: var(--color-warning, #d97706);
    color: var(--color-warning, #b45309);
    animation: sb-pulse 1s ease-in-out infinite;
}
@keyframes sb-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(217, 119, 6, 0.35); }
    50% { box-shadow: 0 0 0 6px rgba(217, 119, 6, 0.12); }
}

.sb-clock-area { text-align: center; }
.sb-current-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}
.sb-clock {
    font-family: var(--font-display);
    font-size: clamp(4rem, 14vw, 7rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--color-primary);
    font-variant-numeric: tabular-nums;
}
.sb-clock-area.is-headsup .sb-clock { color: var(--color-warning, #d97706); }
.sb-clock-area.is-paused .sb-clock { opacity: 0.55; }
.sb-upnext {
    margin-top: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}
.sb-clock-area.is-headsup .sb-upnext {
    color: var(--color-warning, #b45309);
    font-weight: 600;
}

.sb-run-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-top: var(--space-xl);
}

/* Completion */
.sb-complete { text-align: center; padding: var(--space-xl) 0; }
.sb-complete-icon {
    font-size: 3.5rem;
    color: var(--color-success, #16a34a);
    margin-bottom: var(--space-sm);
}
.sb-complete-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

@media (max-width: 640px) {
    .sb-card { padding: var(--space-lg); }
    .sb-chip { flex: 1 1 40%; }
    .sb-current-name { font-size: 1.5rem; }
}