/* Task 11.3 — Erişilebilirlik ve kullanılabilirlik iyileştirmeleri */

/* ===== Renk Körlüğüne Uygun Palet ===== */
/* Deuteranopia/Protanopia-safe colors (Wong palette) */
:root {
    --cb-blue: #0072B2;
    --cb-orange: #E69F00;
    --cb-green: #009E73;
    --cb-red: #D55E00;
    --cb-purple: #CC79A7;
    --cb-yellow: #F0E442;
    --cb-cyan: #56B4E9;
    --cb-black: #000000;
}

/* Color-blind safe chart colors */
.cb-chart-1 { color: var(--cb-blue); fill: var(--cb-blue); stroke: var(--cb-blue); }
.cb-chart-2 { color: var(--cb-orange); fill: var(--cb-orange); stroke: var(--cb-orange); }
.cb-chart-3 { color: var(--cb-green); fill: var(--cb-green); stroke: var(--cb-green); }
.cb-chart-4 { color: var(--cb-red); fill: var(--cb-red); stroke: var(--cb-red); }
.cb-chart-5 { color: var(--cb-purple); fill: var(--cb-purple); stroke: var(--cb-purple); }
.cb-chart-6 { color: var(--cb-yellow); fill: var(--cb-yellow); stroke: var(--cb-yellow); }
.cb-chart-7 { color: var(--cb-cyan); fill: var(--cb-cyan); stroke: var(--cb-cyan); }

/* Status colors — color-blind safe with patterns */
.cb-status-success { color: var(--cb-green); border-left: 4px solid var(--cb-green); }
.cb-status-warning { color: var(--cb-orange); border-left: 4px solid var(--cb-orange); }
.cb-status-error { color: var(--cb-red); border-left: 4px solid var(--cb-red); }
.cb-status-info { color: var(--cb-blue); border-left: 4px solid var(--cb-blue); }

/* ===== Tooltip Desteği ===== */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: #1f2937;
    color: white;
    font-size: 0.75rem;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 50;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus::after {
    opacity: 1;
}

/* ===== Tablo Sıralama Göstergeleri ===== */
th[aria-sort] {
    cursor: pointer;
    user-select: none;
}

th[aria-sort]::after {
    content: ' ⇅';
    opacity: 0.3;
}

th[aria-sort="ascending"]::after {
    content: ' ↑';
    opacity: 1;
}

th[aria-sort="descending"]::after {
    content: ' ↓';
    opacity: 1;
}

/* ===== Focus Göstergeleri ===== */
:focus-visible {
    outline: 2px solid var(--cb-blue);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--cb-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0, 114, 178, 0.2);
}

/* ===== Tarih Aralığı Filtreleme ===== */
.date-range-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-range-filter input[type="date"] {
    padding: 0.25rem 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

/* ===== Arama Kutusu ===== */
.table-search {
    padding: 0.375rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    width: 100%;
    max-width: 300px;
}

.table-search:focus {
    border-color: var(--cb-blue);
    box-shadow: 0 0 0 3px rgba(0, 114, 178, 0.15);
}

/* Mevcut form renkleri korunur; yatay şerit odağı overflow altında kesilmesin. */
.luckysheet-sheets-item[role="tab"]:focus-visible,
#luckysheet-cell-main[role="tabpanel"]:focus-visible {
    outline: 2px solid var(--cb-blue);
    outline-offset: -2px;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
    .bg-green-50, .bg-yellow-50, .bg-red-50 {
        border-width: 2px;
    }
}