/* Session drawer (M3 modal side sheet) */
.ks-session-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 360px;
    z-index: 220;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 1rem 6rem;
    overflow-y: auto;
    background: var(--ks-bg-elevated);
    color: var(--ks-text-primary);
    border-top-left-radius: var(--md-sys-shape-corner-large, 28px);
    border-bottom-left-radius: var(--md-sys-shape-corner-large, 28px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.30);
    transition: transform 250ms cubic-bezier(0.2, 0, 0, 1);
}

@media (prefers-reduced-motion: reduce) {
    .ks-session-drawer { transition: none; }
}

@media (max-width: 600px) {
    .ks-session-drawer {
        width: 100vw;
        border-radius: 0;
    }
}

.ks-drawer-toggle.active {
    --md-filled-tonal-icon-button-container-color: var(--md-sys-color-secondary-container);
    --md-filled-tonal-icon-button-icon-color: var(--md-sys-color-on-secondary-container);
}

.ks-drawer-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ks-drawer-title {
    flex: 1;
    margin: 0;
    color: var(--ks-text-primary);
}

.ks-drawer-section {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ks-drawer-section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    color: var(--md-sys-color-on-surface-variant, var(--ks-text-secondary));
}

.ks-drawer-section-title {
    flex: 1;
}

.ks-drawer-section-icon {
    font-size: 1rem;
}

.ks-drawer-history-toggle {
    background: none;
    border: 0;
    color: inherit;
    padding: 0.25rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    border-radius: var(--md-sys-shape-corner-full, 999px);
}

.ks-drawer-history-toggle .material-symbols-outlined {
    transition: transform 150ms ease;
}

.ks-drawer-history-toggle .material-symbols-outlined.is-open {
    transform: rotate(180deg);
}

.ks-drawer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ks-drawer-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 56px;
    padding: 0.5rem 0.75rem;
    border-radius: var(--md-sys-shape-corner-extra-small, 12px);
    background: transparent;
    color: var(--ks-text-primary);
    cursor: pointer;
    outline: none;
}

.ks-drawer-row:hover {
    background: rgba(255, 255, 255, 0.06);
}

.ks-drawer-row:focus-visible {
    box-shadow: 0 0 0 2px var(--md-sys-color-primary, var(--ks-accent));
}

.ks-drawer-row--now {
    background: var(--md-sys-color-secondary-container, var(--ks-bg-surface));
    color: var(--md-sys-color-on-secondary-container, var(--ks-text-primary));
    border-radius: var(--md-sys-shape-corner-medium, 20px);
    cursor: default;
}

.ks-drawer-row--history {
    color: var(--ks-text-secondary);
}

.ks-drawer-leading {
    flex-shrink: 0;
    color: var(--md-sys-color-on-surface-variant, var(--ks-text-secondary));
}

.ks-drawer-row--now .ks-drawer-leading {
    color: var(--md-sys-color-primary, var(--ks-accent));
}

.ks-pin-handle {
    cursor: grab;
}

.ks-pin-handle:active {
    cursor: grabbing;
}

.ks-drawer-row-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.ks-drawer-row-title {
    font-size: 1rem;
    line-height: 1.5rem;
    color: inherit;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ks-drawer-row-sub {
    font-size: 0.75rem;
    line-height: 1rem;
    color: var(--ks-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ks-drawer-row-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.ks-drawer-action,
.ks-btn--queue {
    background: none;
    border: 0;
    padding: 0.25rem;
    color: var(--md-sys-color-on-surface-variant, var(--ks-text-secondary));
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    border-radius: var(--md-sys-shape-corner-full, 999px);
}

.ks-drawer-action:hover,
.ks-btn--queue:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--md-sys-color-primary, var(--ks-accent));
}