/**
 * achievement-badges.css
 * ----------------------
 * Chunk 469: Styles for achievement badge grid, individual badge cards,
 * and dismissible toast notification.
 *
 * All selectors are prefixed with .achievement- to avoid global collisions.
 * Uses CSS custom properties from design-tokens.css where available.
 *
 * Dependencies: design-tokens.css, global.css
 * Used on: / (home page)
 */

/* ── Badge Section ──────────────────────────────────────────── */

.achievement-badges {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 1.5rem 1rem;
}

.achievement-badges__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 1rem;
    color: var(--color-heading, #1e293b);
}

.achievement-badges__empty {
    font-size: 0.9rem;
    color: var(--color-muted, #64748b);
    margin: 0;
}

/* ── Badge Grid ─────────────────────────────────────────────── */

.achievement-badges__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

/* ── Individual Badge Card ──────────────────────────────────── */

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    border-radius: 10px;
    background: var(--color-surface, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    text-align: center;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.achievement-badge:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.achievement-badge__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.25rem;
    line-height: 1;
}

.achievement-badge__label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-heading, #1e293b);
}

.achievement-badge__desc {
    font-size: 0.8rem;
    color: var(--color-muted, #64748b);
    line-height: 1.4;
}

.achievement-badge__date {
    font-size: 0.75rem;
    color: var(--color-muted, #94a3b8);
}

/* ── Theme Variants ─────────────────────────────────────────── */

.achievement-badge--blue .achievement-badge__icon {
    background: #dbeafe;
    color: #2563eb;
}

.achievement-badge--green .achievement-badge__icon {
    background: #dcfce7;
    color: #16a34a;
}

.achievement-badge--purple .achievement-badge__icon {
    background: #f3e8ff;
    color: #9333ea;
}

.achievement-badge--gold .achievement-badge__icon {
    background: #fef3c7;
    color: #d97706;
}

.achievement-badge--gray .achievement-badge__icon {
    background: #f1f5f9;
    color: #64748b;
}

/* ── Toast Notification ─────────────────────────────────────── */

.achievement-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    max-width: 360px;
    width: 100%;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    background: var(--color-surface, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: achievement-toast-slide-in 0.35s ease-out;
}

.achievement-toast[aria-hidden="true"] {
    display: none;
}

.achievement-toast__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    background: #fef3c7;
    color: #d97706;
}

.achievement-toast__body {
    flex: 1;
    min-width: 0;
}

.achievement-toast__title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-heading, #1e293b);
    margin: 0 0 0.25rem;
}

.achievement-toast__desc {
    font-size: 0.8rem;
    color: var(--color-muted, #64748b);
    margin: 0;
    line-height: 1.4;
}

.achievement-toast__close {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--color-muted, #94a3b8);
    padding: 0.25rem;
    border-radius: 4px;
    transition: color 0.15s ease;
}

.achievement-toast__close:hover,
.achievement-toast__close:focus-visible {
    color: var(--color-heading, #1e293b);
}

/* ── Toast Animation ────────────────────────────────────────── */

@keyframes achievement-toast-slide-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 576px) {
    .achievement-badges__grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.75rem;
    }

    .achievement-badge {
        padding: 1rem 0.75rem;
    }

    .achievement-toast {
        right: 0.75rem;
        left: 0.75rem;
        max-width: none;
        width: auto;
    }
}