/* Canonical UX layer (merged from legacy ux-phase1/2/3) */

/* Loading states */
.mp-play[data-state="loading"] .mp-icon-play,
.mp-play[data-state="loading"] .mp-icon-pause {
    display: none;
}

.mp-play[data-state="loading"] .mp-spinner {
    display: block;
}

.mp-play[data-state="idle"] .mp-spinner,
.mp-play[data-state="playing"] .mp-spinner {
    display: none;
}

.mp-play[data-state="playing"] .mp-icon-play {
    display: none;
}

.mp-play[data-state="playing"] .mp-icon-pause {
    display: block;
}

.mp-spinner {
    display: none;
    width: 20px;
    height: 20px;
}

.mp-spinner-icon {
    display: inline-block;
    width: 100%;
    height: 100%;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: mpSpin 0.8s linear infinite;
}

/* Toast notifications */
.mp-toast-container {
    position: fixed;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.mp-toast-container .mp-toast {
    display: flex;
    width: 100%;
    min-width: 0;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border: 1px solid var(--mp-border);
    border-radius: 12px;
    background: var(--mp-bg-glass);
    box-shadow: var(--mp-shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mp-toast-container .mp-toast--show {
    opacity: 1;
    transform: translateY(0);
}

.mp-toast-container .mp-toast--success {
    border-color: rgba(34, 197, 94, 0.5);
}

.mp-toast-container .mp-toast--error {
    border-color: rgba(239, 68, 68, 0.5);
}

.mp-toast-container .mp-toast--warning {
    border-color: rgba(245, 158, 11, 0.5);
}

.mp-toast-container .mp-toast-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.mp-toast-container .mp-toast--success .mp-toast-icon {
    color: #22c55e;
}

.mp-toast-container .mp-toast--error .mp-toast-icon {
    color: #ef4444;
}

.mp-toast-container .mp-toast--warning .mp-toast-icon {
    color: #f59e0b;
}

.mp-toast-container .mp-toast--info .mp-toast-icon {
    color: #3b82f6;
}

.mp-toast-container .mp-toast-message {
    color: var(--mp-text);
    font-size: 14px;
    line-height: 1.4;
}

/* Accessibility */
.mp-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;
}

.mehrazi-player *:focus-visible,
.mehrazi-archive-wrapper *:focus-visible {
    outline: 3px solid var(--mp-primary);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px var(--mp-primary-light);
}

.mp-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    z-index: 100000;
    padding: 8px 16px;
    border-radius: 0 0 8px 0;
    background: var(--mp-primary);
    color: #000;
    text-decoration: none;
}

.mp-skip-link:focus {
    top: 0;
}

/* Lazy loading */
.mp-lazy-loading {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.06) 25%,
        rgba(255, 255, 255, 0.12) 50%,
        rgba(255, 255, 255, 0.06) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

.mp-lazy-loaded {
    animation: mpUxFadeIn 0.3s ease-out;
}

.mp-lazy-error {
    opacity: 0.5;
    filter: grayscale(1);
}

@keyframes mpUxFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Keyboard shortcuts panel */
.mp-shortcuts-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 10001;
    width: min(100% - 24px, 400px);
    padding: 24px;
    border: 1px solid var(--mp-border);
    border-radius: 16px;
    background: var(--mp-bg-glass);
    box-shadow: var(--mp-shadow);
    transform: translate(-50%, -50%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mp-shortcuts-panel h3 {
    margin: 0 0 16px;
    color: var(--mp-primary);
    font-size: 18px;
}

.mp-shortcuts-panel table {
    width: 100%;
    border-collapse: collapse;
}

.mp-shortcuts-panel tr {
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.mp-shortcuts-panel tr:last-child {
    border-bottom: 0;
}

.mp-shortcuts-panel td {
    padding: 10px 8px;
    color: var(--mp-text);
}

.mp-shortcuts-panel td:first-child {
    width: 100px;
}

.mp-shortcuts-panel kbd {
    display: inline-block;
    padding: 4px 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--mp-primary);
    font-family: monospace;
    font-size: 12px;
}

/* Optimistic UI */
.mp-like-toggle {
    transition: transform 0.2s;
}

.mp-like-toggle.is-liked {
    animation: mpUxLikeBounce 0.4s ease-out;
}

@keyframes mpUxLikeBounce {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
}

@media (min-width: 640px) {
    .mp-toast-container {
        right: auto;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
    }

    .mp-toast-container .mp-toast {
        width: min(90vw, 400px);
    }
}

@media (prefers-contrast: high) {
    .mehrazi-player,
    .mehrazi-archive-wrapper {
        --mp-border: rgba(255, 255, 255, 0.5);
        --mp-text-muted: #e0e0e0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mp-lazy-loading,
    .mp-lazy-loaded,
    .mp-like-toggle.is-liked {
        animation: none;
    }

    .mp-toast-container .mp-toast {
        transition: opacity 0.01ms, visibility 0.01ms;
    }
}