/* ============================================================
   Aqua — Media Downloader
   Reworked design system
   ============================================================ */

/* -- Reset -- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html, body { height: 100%; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* -- Design tokens -- */
:root {
    /* Surfaces */
    --bg-app: #07090f;
    --bg-elevated: #0d111c;
    --bg-card: #111624;
    --bg-card-hover: #141a2b;
    --bg-inset: #0a0e18;
    --bg-input: #0a0e18;

    /* Borders */
    --border-subtle: rgba(148, 163, 184, 0.10);
    --border-default: rgba(148, 163, 184, 0.16);
    --border-strong: rgba(148, 163, 184, 0.28);
    --border-focus: rgba(6, 182, 212, 0.55);

    /* Text */
    --text-primary: #f4f6fb;
    --text-secondary: #b3bcca;
    --text-tertiary: #7c869a;
    --text-muted: #525c6e;
    --text-inverse: #061018;

    /* Accent */
    --accent: #22d3ee;
    --accent-strong: #06b6d4;
    --accent-soft: rgba(34, 211, 238, 0.14);
    --accent-softer: rgba(34, 211, 238, 0.08);
    --accent-glow: rgba(34, 211, 238, 0.35);

    /* Semantic */
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.14);
    --error: #f87171;
    --error-soft: rgba(248, 113, 113, 0.14);
    --warning: #fbbf24;
    --warning-soft: rgba(251, 191, 36, 0.14);

    /* Brand accents */
    --youtube: #ff0033;
    --spotify: #1db954;

    /* Radii */
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-xl: 20px;
    --r-pill: 999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 0 3px var(--accent-soft);

    /* Motion */
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --dur-fast: 140ms;
    --dur: 200ms;
    --dur-slow: 320ms;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.55;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* Ambient backdrop */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% -10%, rgba(34, 211, 238, 0.10), transparent 60%),
        radial-gradient(ellipse 50% 40% at 110% 100%, rgba(29, 185, 84, 0.06), transparent 60%),
        radial-gradient(ellipse 50% 40% at -10% 80%, rgba(255, 0, 51, 0.04), transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: var(--text-inverse);
    padding: 0.5rem 1rem;
    border-radius: 0 0 var(--r-sm) 0;
    z-index: 1000;
    font-weight: 500;
}
.skip-link:focus { left: 0; }

/* ============================================================
   Layout
   ============================================================ */
.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1080px;
    margin: 0 auto;
    width: 100%;
}

/* -- Topbar -- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(7, 9, 15, 0.75);
    backdrop-filter: saturate(160%) blur(20px);
    -webkit-backdrop-filter: saturate(160%) blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.topbar-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.875rem 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(29, 185, 84, 0.10));
    border: 1px solid var(--border-default);
    color: var(--accent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.brand-mark svg { width: 22px; height: 22px; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}
.brand-tag {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 450;
    letter-spacing: 0.02em;
}

/* Topbar nav (tabs) */
.topbar-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    padding: 4px;
    border-radius: var(--r-pill);
    margin: 0 auto;
    width: fit-content;
}

.tab {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--r-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
    white-space: nowrap;
}

.tab svg { width: 16px; height: 16px; opacity: 0.85; }

.tab:hover { color: var(--text-primary); }

.tab.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.04);
}

.tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Topbar meta */
.topbar-meta { display: inline-flex; align-items: center; gap: 0.5rem; }

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--r-pill);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-tertiary);
    box-shadow: 0 0 0 0 rgba(0,0,0,0);
}

.status-pill[data-state="checking"] .status-dot {
    background: var(--warning);
    animation: pulse 1.4s var(--ease) infinite;
}
.status-pill[data-state="checking"] .status-label { color: var(--warning); }

.status-pill[data-state="online"] .status-dot {
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12);
}
.status-pill[data-state="online"] .status-label { color: var(--success); }

.status-pill[data-state="offline"] .status-dot { background: var(--error); }
.status-pill[data-state="offline"] .status-label { color: var(--error); }

/* Storage pill states */
.status-pill#storage-status[data-state="checking"] { color: var(--text-tertiary); }
.status-pill#storage-status[data-state="ok"] { color: var(--success); border-color: rgba(52, 211, 153, 0.2); }
.status-pill#storage-status[data-state="warning"] { color: var(--warning); border-color: rgba(251, 191, 36, 0.25); }
.status-pill#storage-status[data-state="low"] { color: var(--error); border-color: rgba(248, 113, 113, 0.3); }
.status-pill#storage-status[data-state="unknown"] { color: var(--text-muted); }

.status-pill svg { flex-shrink: 0; }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.55; transform: scale(1.35); }
}

/* ============================================================
   Main / panels
   ============================================================ */
.main {
    flex: 1;
    padding: 2.5rem 1.5rem 4rem;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.panel {
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.panel.active { display: flex; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -- Panel hero -- */
.panel-hero {
    padding: 0.5rem 0.25rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.panel-eyebrow {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.panel-eyebrow::before {
    content: '';
    width: 18px;
    height: 1px;
    background: var(--accent);
    display: inline-block;
}

.panel-title {
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.022em;
    color: var(--text-primary);
    line-height: 1.2;
}

.panel-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 60ch;
}

/* ============================================================
   Card
   ============================================================ */
.card {
    background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
    border: 1px solid var(--border-default);
    border-radius: var(--r-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 30%);
    pointer-events: none;
}

.card > * { position: relative; }

/* -- URL field -- */
.url-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.url-input-wrapper {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--r-md);
    padding: 0.25rem;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.url-input-wrapper:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.url-input-wrapper[data-variant="youtube"]:focus-within {
    border-color: rgba(255, 0, 51, 0.55);
    box-shadow: 0 0 0 3px rgba(255, 0, 51, 0.12);
}
.url-input-wrapper[data-variant="spotify"]:focus-within {
    border-color: rgba(29, 185, 84, 0.55);
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.12);
}

.url-icon {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
    margin: 0 0.5rem 0 0.75rem;
    align-self: center;
    flex-shrink: 0;
}

.url-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    padding: 0.65rem 0.25rem;
    min-width: 0;
}

.url-input::placeholder {
    color: var(--text-tertiary);
    font-family: var(--font-sans);
}

.field-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding-left: 0.25rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    --btn-bg: transparent;
    --btn-fg: var(--text-primary);
    --btn-border: transparent;
    appearance: none;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    padding: 0.7rem 1.1rem;
    border-radius: var(--r-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition:
        transform var(--dur-fast) var(--ease),
        background var(--dur) var(--ease),
        border-color var(--dur) var(--ease),
        box-shadow var(--dur) var(--ease),
        color var(--dur) var(--ease);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
    background: var(--bg-inset);
    color: var(--text-muted);
    border-color: var(--border-subtle);
    box-shadow: none;
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.85;
}

.btn-primary:disabled {
    background: var(--bg-inset);
    color: var(--text-muted);
    border-color: var(--border-subtle);
    box-shadow: none;
    opacity: 1;
}

.btn-secondary:disabled {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-subtle);
    opacity: 1;
}

.btn-icon { width: 16px; height: 16px; }

.btn-tight { padding: 0.55rem 0.9rem; font-size: 0.8rem; }

.btn-block { width: 100%; }

.btn-primary {
    --btn-bg: linear-gradient(180deg, #2dd4ee, #06b6d4);
    --btn-fg: #04141a;
    --btn-border: rgba(34, 211, 238, 0.55);
    font-weight: 600;
    box-shadow:
        0 1px 0 rgba(255,255,255,0.18) inset,
        0 8px 20px -8px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow:
        0 1px 0 rgba(255,255,255,0.22) inset,
        0 12px 26px -8px var(--accent-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 1px 0 rgba(255,255,255,0.14) inset;
}

.btn-secondary {
    --btn-bg: var(--bg-card-hover);
    --btn-fg: var(--text-primary);
    --btn-border: var(--border-default);
}

.btn-secondary:hover:not(:disabled) {
    --btn-bg: #1a2138;
    --btn-border: var(--border-strong);
}

.btn-ghost {
    --btn-fg: var(--text-secondary);
    --btn-bg: transparent;
}

.btn-ghost:hover:not(:disabled) {
    --btn-fg: var(--text-primary);
    --btn-bg: var(--bg-card-hover);
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Button loader */
.btn-loader {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.btn.loading { cursor: progress; }
.btn.loading .btn-text,
.btn.loading .btn-icon { opacity: 0; }
.btn.loading .btn-loader { display: inline-block; position: absolute; }

.btn { position: relative; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Info block
   ============================================================ */
.info-block {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-inset);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    margin-bottom: 1rem;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.info-thumb {
    flex-shrink: 0;
    width: 96px;
    height: 72px;
    border-radius: var(--r-sm);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
}
.info-thumb img { width: 100%; height: 100%; object-fit: cover; }

.info-body { flex: 1; min-width: 0; }

.info-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.info-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    font-size: 0.78rem;
}

.meta-item { display: flex; flex-direction: column; gap: 0.1rem; }
.meta-item dt {
    color: var(--text-muted);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}
.meta-item dd {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.info-album {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

/* ============================================================
   Options block
   ============================================================ */
.options-block {
    padding: 1.25rem;
    background: var(--bg-inset);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    animation: fadeIn var(--dur-slow) var(--ease);
}

.block-heading {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.block-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}
.block-heading-row .block-heading { margin-bottom: 0; }

.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.25rem;
}

.option-group { display: flex; flex-direction: column; gap: 0.5rem; }
.option-group-wide { grid-column: 1 / -1; }

.option-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Segmented control */
.segmented {
    display: inline-flex;
    background: var(--bg-app);
    border: 1px solid var(--border-default);
    border-radius: var(--r-sm);
    padding: 3px;
    gap: 2px;
    width: 100%;
}

.segmented-item { flex: 1; position: relative; }
.segmented-item input {
    position: absolute;
    opacity: 0;
    inset: 0;
    cursor: pointer;
}

.segmented-control {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    border-radius: var(--r-xs);
    cursor: pointer;
    transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
    user-select: none;
}

.segmented-item input:checked + .segmented-control {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.segmented-item input:focus-visible + .segmented-control {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Select */
.select {
    width: 100%;
    padding: 0.65rem 2.25rem 0.65rem 0.85rem;
    background: var(--bg-app);
    border: 1px solid var(--border-default);
    border-radius: var(--r-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237c869a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.select:hover { border-color: var(--border-strong); }
.select:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-soft); }

/* Checkbox */
.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-mark {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--border-strong);
    border-radius: 4px;
    background: var(--bg-app);
    display: grid;
    place-items: center;
    color: transparent;
    transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.checkbox-mark svg { width: 12px; height: 12px; }

.checkbox input:checked + .checkbox-mark {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-inverse);
}

.checkbox input:focus-visible + .checkbox-mark {
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.checkbox-text { color: var(--text-primary); }

/* ============================================================
   Tracks list
   ============================================================ */
.tracks-block {
    background: var(--bg-inset);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    padding: 1.25rem;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.track-count-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: var(--r-pill);
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
}

.tracks-list {
    max-height: 280px;
    overflow-y: auto;
    margin: 0 -0.5rem;
    border-radius: var(--r-sm);
}

.track-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--r-sm);
    font-size: 0.85rem;
    transition: background var(--dur) var(--ease);
}

.track-item:hover { background: rgba(148, 163, 184, 0.04); }

.track-number {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
    min-width: 22px;
    text-align: right;
    font-family: var(--font-mono);
}

.track-info { flex: 1; min-width: 0; }
.track-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-artists {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.track-duration {
    color: var(--text-tertiary);
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
}

/* ============================================================
   Card actions
   ============================================================ */
.card-actions { margin-top: 1.25rem; }

/* ============================================================
   Progress card
   ============================================================ */
.progress-card {
    padding: 1.25rem 1.5rem;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.progress-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.progress-title {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
}
.progress-title h3 { font-size: 0.95rem; font-weight: 600; }

.spinner-sm {
    width: 14px;
    height: 14px;
    border: 2px solid var(--accent-soft);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.progress-track-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.progress-track {
    flex: 1;
    height: 6px;
    background: var(--bg-app);
    border-radius: var(--r-pill);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-strong), var(--accent));
    border-radius: inherit;
    transition: width var(--dur-slow) var(--ease);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.32), transparent);
    animation: shimmer 1.6s var(--ease) infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-percent {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    min-width: 44px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
}

.progress-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
}
.stat-wide { flex-direction: column; align-items: flex-start; gap: 0.15rem; }
.stat-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}
.stat-value {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}
.stat-wide .stat-value {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* ============================================================
   Result cards (success / error)
   ============================================================ */
.result-card {
    animation: fadeIn var(--dur-slow) var(--ease);
    padding: 1.5rem;
}

.result-success { border-color: rgba(52, 211, 153, 0.25); }
.result-error { border-color: rgba(248, 113, 113, 0.30); background: linear-gradient(180deg, rgba(248,113,113,0.04), var(--bg-card)); }

.result-head {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.result-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    display: grid;
    place-items: center;
    color: var(--text-inverse);
    flex-shrink: 0;
}
.result-badge svg { width: 22px; height: 22px; }

.result-badge-success {
    background: linear-gradient(135deg, #34d399, #10b981);
    box-shadow: 0 8px 20px -8px rgba(52, 211, 153, 0.45);
}
.result-badge-error {
    background: linear-gradient(135deg, #f87171, #ef4444);
    box-shadow: 0 8px 20px -8px rgba(248, 113, 113, 0.45);
}

.result-head h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--text-primary);
}

.result-detail {
    color: var(--text-secondary);
    font-size: 0.85rem;
    word-break: break-all;
    font-family: var(--font-mono);
}
.result-detail-muted { color: var(--text-tertiary); margin-top: 0.2rem; font-family: var(--font-sans); }

.result-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* ============================================================
   Recent downloads
   ============================================================ */
.recent {
    margin-top: 1rem;
    padding: 1.5rem;
    background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
    border: 1px solid var(--border-default);
    border-radius: var(--r-xl);
    animation: fadeIn var(--dur-slow) var(--ease);
}

.recent-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.recent-head .block-heading { margin-bottom: 0; }
.recent-actions { display: inline-flex; gap: 0.5rem; }

.recent-list { display: flex; flex-direction: column; gap: 0.5rem; }

.recent-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 0.9rem;
    background: var(--bg-inset);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.recent-item:hover {
    border-color: var(--border-default);
    background: var(--bg-card-hover);
}

.recent-type {
    width: 28px;
    height: 28px;
    border-radius: var(--r-xs);
    display: grid;
    place-items: center;
    color: var(--text-inverse);
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.recent-type[data-type="youtube"] { background: var(--youtube); }
.recent-type[data-type="spotify"] { background: var(--spotify); }

.recent-info { flex: 1; min-width: 0; }
.recent-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.recent-meta {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
}

.recent-status {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: var(--r-pill);
    flex-shrink: 0;
}
.recent-status[data-state="completed"] { background: var(--success-soft); color: var(--success); }
.recent-status[data-state="error"] { background: var(--error-soft); color: var(--error); }
.recent-status[data-state="downloading"] { background: var(--accent-soft); color: var(--accent); }

.recent-download {
    appearance: none;
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    width: 30px;
    height: 30px;
    border-radius: var(--r-sm);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: all var(--dur) var(--ease);
}
.recent-download:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
}
.recent-download svg { width: 14px; height: 14px; }

/* ============================================================
   Cloud upload status + link
   ============================================================ */
.cloud-status {
    padding: 0.75rem 1rem;
    background: var(--accent-softer);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    margin-bottom: 1rem;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.cloud-status-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cloud-status-text {
    flex: 1;
}

.cloud-link {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    animation: fadeIn var(--dur-slow) var(--ease);
}

.cloud-link .btn { text-decoration: none; }

.cloud-provider {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Proxy pill states */
.status-pill#proxy-status[data-state="checking"] { color: var(--text-tertiary); }
.status-pill#proxy-status[data-state="ok"] { color: var(--success); border-color: rgba(52, 211, 153, 0.2); }
.status-pill#proxy-status[data-state="warning"] { color: var(--warning); border-color: rgba(251, 191, 36, 0.25); }
.status-pill#proxy-status[data-state="error"] { color: var(--error); border-color: rgba(248, 113, 113, 0.3); }
.status-pill#proxy-status[data-state="unknown"] { color: var(--text-muted); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
    border-top: 1px solid var(--border-subtle);
    background: rgba(7, 9, 15, 0.6);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
}

.footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer-brand {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.footer-meta {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.footer-meta a {
    color: var(--accent);
    font-weight: 500;
    transition: color var(--dur) var(--ease);
}
.footer-meta a:hover { color: var(--text-primary); text-decoration: underline; }

.footer-disclaimer {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ============================================================
   Toasts
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 360px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    animation: toastIn var(--dur) var(--ease);
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 280px;
}

.toast.removing { animation: toastOut var(--dur) var(--ease) forwards; }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
    to { opacity: 0; transform: translateX(20px); }
}

.toast-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}
.toast[data-kind="success"] .toast-icon { color: var(--success); }
.toast[data-kind="error"] .toast-icon { color: var(--error); }
.toast[data-kind="info"] .toast-icon { color: var(--accent); }

.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 600; font-size: 0.85rem; margin-bottom: 0.1rem; }
.toast-message { color: var(--text-secondary); font-size: 0.78rem; }

.toast-close {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    border-radius: var(--r-xs);
    transition: color var(--dur) var(--ease);
}
.toast-close:hover { color: var(--text-primary); }
.toast-close svg { width: 12px; height: 12px; }

/* ============================================================
   Utilities
   ============================================================ */
.hidden { display: none !important; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--r-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* Selection */
::selection {
    background: var(--accent-soft);
    color: var(--text-primary);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
    .topbar-inner {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 0.75rem 1rem;
    }
    .topbar-nav { width: 100%; justify-content: center; }
    .topbar-meta { display: none; }

    .main { padding: 1.5rem 1rem 3rem; }

    .panel-title { font-size: 1.35rem; }

    .card { padding: 1.25rem; border-radius: var(--r-lg); }

    .url-input-wrapper {
        flex-wrap: wrap;
    }
    .url-input { width: 100%; flex: 1 1 100%; }
    .url-input-wrapper .btn { flex: 1 1 100%; margin-top: 0.25rem; }

    .options-grid { grid-template-columns: 1fr; }

    .info-block { flex-direction: column; }
    .info-thumb { width: 100%; height: 140px; }

    .result-actions { width: 100%; }
    .result-actions .btn { flex: 1 1 calc(50% - 0.3rem); min-width: 0; }

    .toast-container { left: 1rem; right: 1rem; bottom: 1rem; max-width: none; }
    .toast { min-width: 0; }
}

@media (max-width: 420px) {
    .panel-title { font-size: 1.2rem; }
    .panel-subtitle { font-size: 0.85rem; }
    .segmented { width: 100%; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}