/* Base styles for dark theme compatibility */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Ensure dark theme works */
html.dark {
    color-scheme: dark;
}

body {
    background: #0e0c1f;
    color: #e7e2fe;
}

/* Material symbols font settings */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Custom glassmorphism effects */
.glass-card {
    background: linear-gradient(135deg, rgba(25, 23, 46, 0.7) 0%, rgba(19, 17, 38, 0.8) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.neon-glow {
    filter: drop-shadow(0 0 10px rgba(0, 242, 255, 0.3));
}

/* Collapsible panels used on the queue page */
.collapsible-summary {
    list-style: none;
}

.collapsible-summary::-webkit-details-marker {
    display: none;
}

.collapsible-chevron {
    transition: transform 0.2s ease;
}

.collapsible-panel[open] .collapsible-chevron {
    transform: rotate(180deg);
}

/* Smooth transitions for interactive elements */
.transition-all {
    transition: all 0.3s ease;
}

/* Hide scrollbars but keep functionality */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Compact queue rows shared by the server-rendered and live-updated queue. */
.queue-section-label {
    margin: 0.65rem 0 0.15rem;
    color: #c9c5d0;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.queue-stage-item {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(72, 69, 91, 0.18);
    border-radius: 0.875rem;
    background: rgba(25, 23, 46, 0.52);
    padding: 0.75rem;
    transition: border-color 160ms ease, background 160ms ease, opacity 160ms ease, transform 160ms ease;
}

.queue-stage-item:not(.queue-stage-item-playing):hover {
    border-color: rgba(0, 242, 255, 0.28);
    background: rgba(31, 28, 54, 0.72);
}

.queue-stage-item-playing {
    border-color: rgba(0, 242, 255, 0.24);
    background: linear-gradient(115deg, rgba(0, 242, 255, 0.08), rgba(25, 23, 46, 0.78) 48%);
}

.queue-stage-item > .queue-cover {
    display: flex;
    width: 4rem !important;
    height: 4rem !important;
    flex: 0 0 4rem !important;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 0.625rem;
    background: #25223e;
}

.queue-stage-item > .queue-cover-playing {
    width: 5rem !important;
    height: 5rem !important;
    flex-basis: 5rem !important;
    border-radius: 0.75rem;
    box-shadow: 0 0 0 1px rgba(0, 242, 255, 0.16);
}

.queue-status-chip {
    display: inline-flex;
    max-width: 100%;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.55rem;
    border-radius: 999px;
    padding: 0.22rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 800;
    letter-spacing: 0.045em;
    line-height: 1;
    text-transform: uppercase;
}

.queue-status-playing {
    flex: 0 0 auto;
    margin-top: 0;
    background: rgba(0, 242, 255, 0.1);
    color: #00f2ff;
}

.queue-status-ready { background: rgba(60, 227, 106, 0.1); color: #3ce36a; }
.queue-status-failed { background: rgba(255, 110, 132, 0.1); color: #ff6e84; }
.queue-status-waiting { background: rgba(231, 226, 254, 0.06); color: #c9c5d0; }

.queue-playing-equalizer {
    display: inline-flex;
    width: 0.95rem;
    height: 1rem;
    flex: 0 0 auto;
    align-items: end;
    justify-content: space-between;
}

.queue-playing-equalizer span {
    width: 0.18rem;
    height: 42%;
    border-radius: 999px;
    background: #00f2ff;
    animation: queue-equalizer 700ms ease-in-out infinite alternate;
}

.queue-playing-equalizer span:nth-child(2) { height: 90%; animation-delay: -260ms; }
.queue-playing-equalizer span:nth-child(3) { height: 62%; animation-delay: -440ms; }

.queue-move-controls {
    display: flex;
    flex: 0 0 auto;
    flex-direction: column;
    align-items: center;
    gap: 0.18rem;
}

.queue-move-button,
.queue-row-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    color: #c9c5d0;
    cursor: pointer;
}

.queue-move-button { width: 2rem; height: 1.45rem; border-radius: 0.4rem; background: transparent; }
.queue-move-button:hover { color: #00f2ff; background: rgba(0, 242, 255, 0.08); }
.queue-move-button:disabled { cursor: not-allowed; opacity: 0.35; }
.queue-row-action { width: 2.25rem; height: 2.25rem; border-radius: 999px; background: rgba(37, 34, 62, 0.82); transition: color 160ms ease, background 160ms ease; }

/* Settings form primitives */
.settings-section-summary { transition: background-color 160ms ease; }
.settings-section-summary:hover { background: rgba(255, 255, 255, 0.025); }
.settings-section-chevron { transition: transform 160ms ease; }
.settings-section[open] .settings-section-chevron { transform: rotate(180deg); }
.settings-label { color: rgb(201 197 208 / 0.9); font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.12em; line-height: 1.25; text-transform: uppercase; }
.settings-help { color: rgb(201 197 208 / 0.7); font-size: 0.6875rem; line-height: 1.35; }
input.settings-input, select.settings-select { background: rgb(37 34 62 / 0.55); border: 0; border-radius: 0.5rem; color: #e7e1ec; font-size: 0.875rem; font-weight: 500; height: 3rem; outline: none; padding: 0 1rem; width: 100%; }
input.settings-input-accent { color: #00f2ff; }
.settings-select { color: #e7e1ec; }
.settings-input:focus, .settings-select:focus { box-shadow: 0 0 0 2px rgb(0 242 255 / 0.35); }
.settings-toggle { align-items: center; background: rgb(37 34 62 / 0.4); border-radius: 0.5rem; display: flex; gap: 0.75rem; justify-content: space-between; padding: 0.75rem 1rem; }
.settings-action-primary, .settings-action-secondary, .settings-action-danger { align-items: center; border-radius: 999px; display: inline-flex; font-size: 0.625rem; font-weight: 900; gap: 0.375rem; letter-spacing: 0.12em; padding: 0.5rem 0.75rem; text-transform: uppercase; transition: background-color 160ms ease, opacity 160ms ease; }
.settings-action-primary { background: #00f2ff; border: 1px solid rgb(0 242 255 / 0.3); color: #001f24; }
.settings-action-primary:hover { background: rgb(0 242 255 / 0.9); }
.settings-action-secondary { border: 1px solid rgb(0 242 255 / 0.3); color: #00f2ff; }
.settings-action-secondary:hover { background: rgb(0 242 255 / 0.1); }
.settings-action-danger { background: rgb(255 82 120 / 0.1); border: 1px solid rgb(255 82 120 / 0.3); color: #ff5278; }
.settings-action-danger:hover { background: rgb(255 82 120 / 0.2); }
.settings-action-primary:disabled, .settings-action-secondary:disabled, .settings-action-danger:disabled { cursor: not-allowed; opacity: 0.6; }
.settings-engine-panel { background: linear-gradient(135deg, rgba(31, 28, 54, 0.48), rgba(25, 23, 46, 0.36)); }
.settings-floating-save { bottom: calc(2rem + env(safe-area-inset-bottom)); right: max(1.5rem, env(safe-area-inset-right)); }
.settings-save-feedback { top: calc(5rem + env(safe-area-inset-top)); }

@media (min-width: 640px) {
    .settings-floating-save { right: max(2rem, env(safe-area-inset-right)); }
}

@media (min-width: 768px) {
    .settings-save-feedback { top: calc(6rem + env(safe-area-inset-top)); }
}

@keyframes queue-equalizer {
    from { transform: scaleY(0.42); }
    to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
    .queue-playing-equalizer span { animation: none; }
}

/* Loading animations */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Custom focus styles for accessibility */
.focus\:ring-2:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 2px rgba(0, 242, 255, 0.3);
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (min-width: 1024px) {
    .queue-page {
        --queue-sticky-top: 6.5rem;
        --queue-stage-max-height: calc(100dvh - var(--queue-sticky-top) - 1.5rem);
    }

    .queue-stage-rail {
        position: sticky;
        top: var(--queue-sticky-top);
    }

    .queue-stage-panel {
        max-height: var(--queue-stage-max-height);
    }

    .queue-stage-panel #queue-list {
        min-height: 0;
        overflow-y: auto;
        padding-right: 0.25rem;
    }
}