/* ============================================
   SPOTIFY CALLBACK - Responsive OAuth Page
   ============================================ */

.spotify-callback-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--content-gutter);
    padding-top: calc(var(--header-height) + var(--content-gutter));
}

.spotify-callback-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, var(--spotify-callback-overlay-opacity, 0));
    pointer-events: none;
    z-index: 1;
}

.wl-content-wrapper {
    width: 100%;
    max-width: 500px;
    position: relative;
    z-index: 2;
}

.spotify-callback-content {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
    animation: spotifyCallbackFadeIn var(--transition);
}

.spotify-callback-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--spotify-callback-accent, var(--primary)),
        transparent
    );
    opacity: 0.6;
}

@keyframes spotifyCallbackFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   ICON WRAPPER
   ============================================ */

.spotify-callback-icon-wrapper {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(
        var(--spotify-callback-accent-r, 232),
        var(--spotify-callback-accent-g, 24),
        var(--spotify-callback-accent-b, 24),
        0.12
    );
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    animation: spotifyCallbackIconPulse 2s ease-in-out infinite;
}

.spotify-callback-icon {
    font-size: 40px;
    line-height: 1;
}

@keyframes spotifyCallbackIconPulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.06);
    }
}

/* ============================================
   BADGE
   ============================================ */

.spotify-callback-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(
        var(--spotify-callback-accent-r, 232),
        var(--spotify-callback-accent-g, 24),
        var(--spotify-callback-accent-b, 24),
        0.15
    );
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--spotify-callback-accent, var(--primary));
    margin-bottom: 20px;
    margin-left: 0;
}

/* ============================================
   HEADLINE
   ============================================ */

.spotify-callback-headline {
    margin: 0 0 12px 0;
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

/* ============================================
   MESSAGE
   ============================================ */

.spotify-callback-message {
    margin: 0 0 24px 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ============================================
   DETAIL BOX
   ============================================ */

.spotify-callback-detail {
    padding: 16px;
    background: rgba(
        var(--spotify-callback-accent-r, 232),
        var(--spotify-callback-accent-g, 24),
        var(--spotify-callback-accent-b, 24),
        0.08
    );
    border: 1px solid var(--border-soft);
    border-left: 3px solid var(--spotify-callback-accent, var(--primary));
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    word-break: break-word;
}

/* ============================================
   BUTTON
   ============================================ */

.spotify-callback-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 20px;
    background: var(--spotify-callback-accent, var(--primary));
    color: #fff;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 8px 24px
        rgba(
            var(--spotify-callback-accent-r, 232),
            var(--spotify-callback-accent-g, 24),
            var(--spotify-callback-accent-b, 24),
            0.3
        );
}

.spotify-callback-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px
        rgba(
            var(--spotify-callback-accent-r, 232),
            var(--spotify-callback-accent-g, 24),
            var(--spotify-callback-accent-b, 24),
            0.4
        );
    filter: brightness(1.08);
}

.spotify-callback-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px
        rgba(
            var(--spotify-callback-accent-r, 232),
            var(--spotify-callback-accent-g, 24),
            var(--spotify-callback-accent-b, 24),
            0.3
        );
}

.spotify-callback-button:focus-visible {
    outline: 2px solid var(--spotify-callback-accent, var(--primary));
    outline-offset: 2px;
}

/* ============================================
   HINT
   ============================================ */

.spotify-callback-hint {
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
    text-align: center;
}

/* ============================================
   COUNTDOWN
   ============================================ */

.spotify-callback-countdown {
    margin-top: 28px;
    padding: 20px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius);
    text-align: center;
}

.spotify-callback-countdown-label {
    font-size: 13px;
    color: #10b981;
    font-weight: 500;
}

.spotify-callback-countdown-value {
    font-size: 32px;
    font-weight: 700;
    color: #10b981;
    margin: 8px 0 4px 0;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.spotify-callback-countdown-skip {
    margin-top: 12px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius);
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
}

.spotify-callback-countdown-skip:hover {
    background: rgba(16, 185, 129, 0.3);
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

.spotify-callback-countdown-skip:active {
    transform: translateY(0);
}

.spotify-callback-countdown-skip:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

/* ============================================
   FOOTER
   ============================================ */

.spotify-callback-footer {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   VARIANT STYLES
   ============================================ */

.spotify-callback--success {
    --spotify-callback-accent: #1db954;
    --spotify-callback-accent-r: 29;
    --spotify-callback-accent-g: 185;
    --spotify-callback-accent-b: 84;
}

.spotify-callback--warning {
    --spotify-callback-accent: #f59e0b;
    --spotify-callback-accent-r: 245;
    --spotify-callback-accent-g: 158;
    --spotify-callback-accent-b: 11;
}

.spotify-callback--error {
    --spotify-callback-accent: #e81818;
    --spotify-callback-accent-r: 232;
    --spotify-callback-accent-g: 24;
    --spotify-callback-accent-b: 24;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .spotify-callback-content {
        padding: 36px 28px;
    }

    .spotify-callback-headline {
        font-size: 1.6rem;
    }

    .spotify-callback-icon-wrapper {
        width: 64px;
        height: 64px;
    }

    .spotify-callback-icon {
        font-size: 36px;
    }
}

@media (max-width: 640px) {
    .spotify-callback-container {
        padding-top: calc(var(--header-height) + 8px);
        min-height: auto;
    }

    .spotify-callback-content {
        padding: 28px 20px;
    }

    .spotify-callback-headline {
        font-size: 1.4rem;
    }

    .spotify-callback-button {
        padding: 12px 16px;
        font-size: 13px;
    }

    .spotify-callback-icon-wrapper {
        width: 60px;
        height: 60px;
    }

    .spotify-callback-icon {
        font-size: 32px;
    }

    .spotify-callback-countdown-value {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .spotify-callback-container {
        padding: 8px var(--content-gutter);
    }

    .wl-content-wrapper {
        max-width: 100%;
    }

    .spotify-callback-content {
        padding: 24px 16px;
        border-radius: var(--radius);
    }

    .spotify-callback-headline {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }

    .spotify-callback-message {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .spotify-callback-detail {
        padding: 12px;
        font-size: 13px;
        margin-bottom: 20px;
    }

    .spotify-callback-icon-wrapper {
        width: 56px;
        height: 56px;
        margin-bottom: 16px;
    }

    .spotify-callback-badge {
        font-size: 0.65rem;
        padding: 5px 12px;
        margin-bottom: 12px;
    }

    .spotify-callback-countdown {
        margin-top: 20px;
        padding: 16px;
    }

    .spotify-callback-footer {
        margin-top: 20px;
        padding-top: 16px;
        font-size: 11px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

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

@media (prefers-contrast: more) {
    .spotify-callback-detail {
        border-width: 2px;
    }

    .spotify-callback-button {
        border: 2px solid currentColor;
    }

    .spotify-callback-countdown {
        border-width: 2px;
    }
}

@media (prefers-color-scheme: dark) {
    .spotify-callback-content {
        background: var(--bg-card);
        border-color: var(--border-subtle);
    }
}