/* ════════════════════════════════════════
   UTILITY
   ════════════════════════════════════════ */

.text-muted {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.text-center { text-align: center; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ════════════════════════════════════════
   FLASH BANNER (admin akce, atd.)
   ════════════════════════════════════════ */

.flash-banner {
    position: fixed;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    max-width: 480px;
    width: calc(100% - 32px);
    font-size: 0.9375rem;
    animation: flashIn 0.25s ease-out, flashOut 0.4s ease-in 4.5s forwards;
    pointer-events: none;
}

.flash-success {
    background: #d1fadf;
    color: #054f31;
    border: 1px solid #6ce9a6;
}

.flash-error {
    background: #fee4e2;
    color: #7a271a;
    border: 1px solid #fda29b;
}

.flash-info {
    background: #e7e0fa;
    color: #2d165a;
    border: 1px solid #b6a8e6;
}

@keyframes flashIn {
    from { opacity: 0; transform: translate(-50%, -16px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes flashOut {
    to { opacity: 0; transform: translate(-50%, -16px); pointer-events: none; }
}