/**
 * Error Pages Component Styles
 *
 * Styles for error states: 404, article not found, etc.
 */

@layer components {
    /* ========================================
       Error Page Container
       ======================================== */
    .error-page {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: var(--space-6) var(--space-4);
        min-block-size: 50vh;
    }

    /* ========================================
       Error Icon
       ======================================== */
    .error-page__icon {
        font-size: clamp(4rem, 15vw, 8rem);
        margin-block-end: var(--space-4);
        opacity: 0.6;
        animation: float 3s ease-in-out infinite;
    }

    .error-page__icon--not-found {
        color: var(--color-secondary);
    }

    @keyframes float {
        0%, 100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-10px);
        }
    }

    /* ========================================
       Error Code (404, 500, etc.)
       ======================================== */
    .error-page__code {
        font-family: var(--font-heading);
        font-size: clamp(3rem, 10vw, 6rem);
        font-weight: var(--font-weight-bold);
        color: var(--color-text-heading);
        line-height: 1;
        margin-block-end: var(--space-2);
        letter-spacing: 0.1em;
    }

    /* Glitch effect for error code */
    .error-page__code--glitch {
        position: relative;
        animation: glitch 2s infinite;
    }

    .error-page__code--glitch::before,
    .error-page__code--glitch::after {
        content: attr(data-text);
        position: absolute;
        inset-inline-start: 0;
        inset-block-start: 0;
        inline-size: 100%;
        block-size: 100%;
    }

    .error-page__code--glitch::before {
        color: var(--color-primary);
        animation: glitch-1 0.3s infinite;
        clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
    }

    .error-page__code--glitch::after {
        color: var(--color-secondary);
        animation: glitch-2 0.3s infinite;
        clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
    }

    @keyframes glitch {
        0%, 90%, 100% { transform: translate(0); }
        92% { transform: translate(-2px, 1px); }
        94% { transform: translate(2px, -1px); }
        96% { transform: translate(-1px, 2px); }
        98% { transform: translate(1px, -2px); }
    }

    @keyframes glitch-1 {
        0%, 90%, 100% { transform: translate(0); }
        92% { transform: translate(2px, 0); }
        96% { transform: translate(-2px, 0); }
    }

    @keyframes glitch-2 {
        0%, 90%, 100% { transform: translate(0); }
        94% { transform: translate(-2px, 0); }
        98% { transform: translate(2px, 0); }
    }

    /* ========================================
       Error Title & Message
       ======================================== */
    .error-page__title {
        font-family: var(--font-heading);
        font-size: var(--text-2xl);
        color: var(--color-text-bright);
        text-transform: uppercase;
        margin-block-end: var(--space-3);
        letter-spacing: 0.05em;
    }

    .error-page__message {
        font-size: var(--text-lg);
        color: var(--color-text-muted);
        max-inline-size: 500px;
        margin-block-end: var(--space-5);
        line-height: 1.6;
    }

    /* ========================================
       Error Actions (buttons/links)
       Uses unified .btn component from buttons.css
       ======================================== */
    .error-page__actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-3);
        justify-content: center;
        margin-block-end: var(--space-5);
    }

    /* ========================================
       Suggestions List
       ======================================== */
    .error-page__suggestions {
        text-align: start;
        background-color: var(--color-bg-card);
        padding: var(--space-4);
        border-radius: var(--radius-md);
        max-inline-size: 400px;
    }

    .error-page__suggestions-title {
        font-family: var(--font-heading);
        font-size: var(--text-sm);
        text-transform: uppercase;
        color: var(--color-text-muted);
        margin-block-end: var(--space-3);
        letter-spacing: 0.1em;
    }

    .error-page__suggestions-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .error-page__suggestions-list li {
        margin-block-end: var(--space-2);
    }

    .error-page__suggestions-list a {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        color: var(--color-text);
        padding: var(--space-2);
        border-radius: var(--radius-sm);
        transition: all var(--transition-fast);
    }

    .error-page__suggestions-list a:hover {
        background-color: rgba(255, 255, 255, 0.05);
        color: var(--color-text-bright);
        text-decoration: none;
    }

    .error-page__suggestions-list i {
        color: var(--color-primary);
        width: 20px;
    }

    /* ========================================
       ASCII Art (demoscene style)
       ======================================== */
    .error-page__ascii {
        font-family: var(--font-mono);
        font-size: clamp(0.5rem, 1.5vw, 0.75rem);
        color: var(--color-text-muted);
        white-space: pre;
        line-height: 1.2;
        opacity: 0.4;
        margin-block-start: var(--space-5);
        overflow: hidden;
    }

    /* ========================================
       Responsive Adjustments
       ======================================== */
    @media (max-width: 500px) {
        .error-page__actions {
            flex-direction: column;
            inline-size: 100%;
        }

        .error-page__actions .btn {
            justify-content: center;
            inline-size: 100%;
        }

        .error-page__ascii {
            display: none;
        }
    }

    /* ========================================
       Reduced Motion
       ======================================== */
    @media (prefers-reduced-motion: reduce) {
        .error-page__icon {
            animation: none;
        }

        .error-page__code--glitch,
        .error-page__code--glitch::before,
        .error-page__code--glitch::after {
            animation: none;
        }
    }
}