/*!
 * YouTube Thumbnail Downloader styles
 * Scoped under .mp-ytd to avoid theme conflicts.
 */

.mp-ytd {
    --mp-ytd-radius: 18px;
    --mp-ytd-radius-sm: 12px;
    --mp-ytd-radius-pill: 999px;
    --mp-ytd-bg: #ffffff;
    --mp-ytd-surface: rgba(255, 255, 255, 0.7);
    --mp-ytd-border: rgba(15, 23, 42, 0.08);
    --mp-ytd-border-strong: rgba(15, 23, 42, 0.14);
    --mp-ytd-text: #0f172a;
    --mp-ytd-text-muted: #475569;
    --mp-ytd-text-soft: #64748b;
    --mp-ytd-accent: #ef4444;
    --mp-ytd-accent-2: #f97316;
    --mp-ytd-accent-soft: rgba(239, 68, 68, 0.08);
    --mp-ytd-success: #10b981;
    --mp-ytd-danger: #dc2626;
    --mp-ytd-danger-soft: rgba(220, 38, 38, 0.08);
    --mp-ytd-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --mp-ytd-shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --mp-ytd-shadow-lg: 0 25px 60px rgba(15, 23, 42, 0.12);
    --mp-ytd-page-bg: linear-gradient(135deg, #fef3f2 0%, #fff7ed 100%);
    --mp-ytd-glass: rgba(255, 255, 255, 0.6);
    --mp-ytd-blur: saturate(180%) blur(16px);
    --mp-ytd-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    box-sizing: border-box;
    max-width: 960px;
    margin: 0 auto;
    padding: 28px;
    color: var(--mp-ytd-text);
    font-family: var(--mp-ytd-font);
    line-height: 1.55;
    background: var(--mp-ytd-page-bg);
    border-radius: var(--mp-ytd-radius);
    box-shadow: var(--mp-ytd-shadow-md);
    position: relative;
    overflow: hidden;
}

.mp-ytd *,
.mp-ytd *::before,
.mp-ytd *::after {
    box-sizing: inherit;
}

.mp-ytd[data-theme="dark"] {
    --mp-ytd-bg: #0b1220;
    --mp-ytd-surface: rgba(17, 24, 39, 0.7);
    --mp-ytd-border: rgba(148, 163, 184, 0.18);
    --mp-ytd-border-strong: rgba(148, 163, 184, 0.32);
    --mp-ytd-text: #f1f5f9;
    --mp-ytd-text-muted: #cbd5e1;
    --mp-ytd-text-soft: #94a3b8;
    --mp-ytd-glass: rgba(15, 23, 42, 0.55);
    --mp-ytd-page-bg: linear-gradient(135deg, #0b1220 0%, #1e1b4b 100%);
    --mp-ytd-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
    --mp-ytd-shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
    .mp-ytd:not([data-theme="light"]) {
        --mp-ytd-bg: #0b1220;
        --mp-ytd-surface: rgba(17, 24, 39, 0.7);
        --mp-ytd-border: rgba(148, 163, 184, 0.18);
        --mp-ytd-border-strong: rgba(148, 163, 184, 0.32);
        --mp-ytd-text: #f1f5f9;
        --mp-ytd-text-muted: #cbd5e1;
        --mp-ytd-text-soft: #94a3b8;
        --mp-ytd-glass: rgba(15, 23, 42, 0.55);
        --mp-ytd-page-bg: linear-gradient(135deg, #0b1220 0%, #1e1b4b 100%);
        --mp-ytd-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
        --mp-ytd-shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.45);
    }
}

.mp-ytd::before {
    content: "";
    position: absolute;
    inset: -40% -10% auto auto;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, var(--mp-ytd-accent) 0%, transparent 60%);
    opacity: 0.18;
    pointer-events: none;
    z-index: 0;
}

.mp-ytd > * {
    position: relative;
    z-index: 1;
}

.mp-ytd .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mp-ytd__header {
    position: relative;
    text-align: center;
    margin-bottom: 22px;
}

.mp-ytd__title {
    margin: 0 0 8px;
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--mp-ytd-text);
}

.mp-ytd__subtitle {
    margin: 0 auto;
    max-width: 540px;
    color: var(--mp-ytd-text-muted);
    font-size: 15px;
}

.mp-ytd__theme-toggle {
    position: absolute;
    top: 0;
    right: 0;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--mp-ytd-glass);
    -webkit-backdrop-filter: var(--mp-ytd-blur);
    backdrop-filter: var(--mp-ytd-blur);
    border: 1px solid var(--mp-ytd-border);
    border-radius: var(--mp-ytd-radius-pill);
    color: var(--mp-ytd-text);
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.mp-ytd__theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--mp-ytd-border-strong);
}

.mp-ytd__icon--moon { display: none; }
.mp-ytd[data-theme="dark"] .mp-ytd__icon--sun { display: none; }
.mp-ytd[data-theme="dark"] .mp-ytd__icon--moon { display: block; }
@media (prefers-color-scheme: dark) {
    .mp-ytd:not([data-theme="light"]) .mp-ytd__icon--sun { display: none; }
    .mp-ytd:not([data-theme="light"]) .mp-ytd__icon--moon { display: block; }
}

.mp-ytd__form {
    display: flex;
    gap: 10px;
    align-items: stretch;
    background: var(--mp-ytd-glass);
    -webkit-backdrop-filter: var(--mp-ytd-blur);
    backdrop-filter: var(--mp-ytd-blur);
    border: 1px solid var(--mp-ytd-border);
    border-radius: var(--mp-ytd-radius);
    padding: 8px;
    box-shadow: var(--mp-ytd-shadow-sm);
}

.mp-ytd__input-wrap {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

.mp-ytd__input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--mp-ytd-accent);
    display: inline-flex;
    pointer-events: none;
}

.mp-ytd__input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    padding: 14px 40px 14px 44px;
    font: inherit;
    font-size: 15px;
    color: var(--mp-ytd-text);
    border-radius: var(--mp-ytd-radius-sm);
}

.mp-ytd__input::placeholder { color: var(--mp-ytd-text-soft); }
.mp-ytd__input:focus { box-shadow: 0 0 0 3px var(--mp-ytd-accent-soft); }

.mp-ytd__clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--mp-ytd-text-soft);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease;
}

.mp-ytd__clear:hover {
    background: var(--mp-ytd-accent-soft);
    color: var(--mp-ytd-accent);
}

.mp-ytd__submit {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 160px;
    padding: 12px 22px;
    border: none;
    border-radius: var(--mp-ytd-radius-sm);
    background: linear-gradient(135deg, var(--mp-ytd-accent) 0%, var(--mp-ytd-accent-2) 100%);
    color: #fff;
    font: inherit;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.28);
}

.mp-ytd__submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(239, 68, 68, 0.34);
}

.mp-ytd__submit:active:not(:disabled) { transform: translateY(0); }
.mp-ytd__submit:disabled { opacity: 0.7; cursor: not-allowed; }

.mp-ytd__spinner {
    display: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    animation: mp-ytd-spin 0.7s linear infinite;
}

.mp-ytd__submit.is-loading .mp-ytd__spinner { display: inline-block; }
.mp-ytd__submit.is-loading .mp-ytd__submit-text { opacity: 0.7; }

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

.mp-ytd__error {
    margin-top: 14px;
    padding: 12px 14px;
    background: var(--mp-ytd-danger-soft);
    color: var(--mp-ytd-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--mp-ytd-radius-sm);
    font-size: 14px;
    animation: mp-ytd-fade-in 0.2s ease;
}

.mp-ytd__results {
    margin-top: 22px;
    animation: mp-ytd-fade-in 0.25s ease;
}

.mp-ytd__results-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.mp-ytd__results-title {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--mp-ytd-text);
}

.mp-ytd__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.mp-ytd__card {
    background: var(--mp-ytd-glass);
    -webkit-backdrop-filter: var(--mp-ytd-blur);
    backdrop-filter: var(--mp-ytd-blur);
    border: 1px solid var(--mp-ytd-border);
    border-radius: var(--mp-ytd-radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
}

.mp-ytd__card:hover {
    transform: translateY(-3px);
    box-shadow: var(--mp-ytd-shadow-lg);
    border-color: var(--mp-ytd-border-strong);
}

.mp-ytd__thumb-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    overflow: hidden;
}

.mp-ytd__skeleton {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.18) 50%, rgba(255,255,255,0.05) 100%);
    background-size: 200% 100%;
    animation: mp-ytd-shimmer 1.2s infinite linear;
}

@keyframes mp-ytd-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.mp-ytd__thumb {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.mp-ytd__thumb.is-loaded { opacity: 1; }
.mp-ytd__card.is-unavailable .mp-ytd__thumb-wrap {
    background: var(--mp-ytd-danger-soft);
}
.mp-ytd__card.is-unavailable .mp-ytd__skeleton { display: none; }
.mp-ytd__card.is-unavailable .mp-ytd__card-actions button { opacity: 0.5; pointer-events: none; }

.mp-ytd__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    background: rgba(15, 23, 42, 0.75);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--mp-ytd-radius-pill);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.mp-ytd__card-body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.mp-ytd__card-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.mp-ytd__card-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--mp-ytd-text);
}

.mp-ytd__card-size {
    font-size: 12px;
    color: var(--mp-ytd-text-soft);
}

.mp-ytd__card-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.mp-ytd__btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 12px;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--mp-ytd-radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.mp-ytd__btn:active { transform: scale(0.98); }

.mp-ytd__btn--primary {
    background: linear-gradient(135deg, var(--mp-ytd-accent) 0%, var(--mp-ytd-accent-2) 100%);
    color: #fff;
}

.mp-ytd__btn--primary:hover { box-shadow: 0 8px 18px rgba(239, 68, 68, 0.28); }

.mp-ytd__btn--ghost {
    background: transparent;
    color: var(--mp-ytd-text);
    border-color: var(--mp-ytd-border-strong);
}

.mp-ytd__btn--ghost:hover {
    background: var(--mp-ytd-accent-soft);
    color: var(--mp-ytd-accent);
    border-color: var(--mp-ytd-accent);
}

.mp-ytd__ad {
    margin: 16px 0;
    min-height: 0;
}
.mp-ytd__ad:empty { display: none; }

.mp-ytd__toast {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(20px);
    padding: 10px 18px;
    background: var(--mp-ytd-text);
    color: var(--mp-ytd-bg);
    border-radius: var(--mp-ytd-radius-pill);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--mp-ytd-shadow-md);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 10;
    max-width: 80%;
    text-align: center;
}

.mp-ytd__toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@keyframes mp-ytd-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    .mp-ytd { padding: 20px 16px; border-radius: 14px; }
    .mp-ytd__form { flex-direction: column; padding: 10px; }
    .mp-ytd__submit { width: 100%; padding: 14px; }
    .mp-ytd__theme-toggle { width: 34px; height: 34px; }
    .mp-ytd__title { font-size: 22px; }
    .mp-ytd__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .mp-ytd,
    .mp-ytd * {
        animation-duration: 0.001s !important;
        transition-duration: 0.001s !important;
    }
}

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