/**
 * Tayseer Notification Center stylesheet
 * Targets WCAG 2.2 AA contrast (4.5:1 body, 3:1 large text).
 *
 * Honours prefers-reduced-motion and supports dark mode via prefers-color-scheme
 * + the [data-theme] attribute set by UserPreference.
 */

:root {
    --notif-surface:        #ffffff;
    --notif-surface-alt:    #f6f7fb;
    --notif-text:           #1a1d23;
    --notif-text-muted:     #5a6273;
    --notif-border:         #e3e6ed;
    --notif-accent:         #0d6efd;
    --notif-unread-bg:      rgba(13, 110, 253, 0.08);
    --notif-priority-high:  #ff8a00;
    --notif-priority-urgent:#dc3545;
    --notif-radius:         10px;
    --notif-shadow:         0 1px 3px rgba(15, 23, 42, .08);
}
[data-theme="dark"], :root.dark {
    --notif-surface:     #1e2228;
    --notif-surface-alt: #15181d;
    --notif-text:        #e9edf2;
    --notif-text-muted:  #9aa3b2;
    --notif-border:      #2c3138;
    --notif-unread-bg:   rgba(13, 110, 253, 0.16);
}

.notif-center {
    direction: rtl;
    color: var(--notif-text);
    background: var(--notif-surface-alt);
    min-height: 100vh;
    padding: 18px;
}

.notif-center__header {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.notif-center__title {
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notif-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--notif-border);
    margin-bottom: 12px;
}
.notif-tab {
    background: transparent;
    border: 0;
    padding: 10px 16px;
    color: var(--notif-text-muted);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
}
.notif-tab[aria-selected="true"] {
    color: var(--notif-accent);
    border-bottom-color: var(--notif-accent);
}
.notif-tab:focus-visible {
    outline: 2px solid var(--notif-accent);
    outline-offset: 2px;
    border-radius: 4px;
}
.notif-tab .badge {
    margin-inline-start: 6px;
    background: var(--notif-accent);
    color: #fff;
    font-size: 11px;
    border-radius: 999px;
    padding: 2px 7px;
}

.notif-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    background: var(--notif-surface);
    border: 1px solid var(--notif-border);
    border-radius: var(--notif-radius);
    padding: 10px 14px;
    margin-bottom: 14px;
    box-shadow: var(--notif-shadow);
}
.notif-toolbar input,
.notif-toolbar select {
    background: transparent;
    border: 1px solid var(--notif-border);
    color: var(--notif-text);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    min-width: 130px;
}
.notif-toolbar button {
    border: 1px solid var(--notif-border);
    background: transparent;
    color: var(--notif-text);
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 13px;
}
.notif-toolbar button:hover { background: var(--notif-surface-alt); }
.notif-toolbar button.is-primary { background: var(--notif-accent); color: #fff; border-color: var(--notif-accent); }

.notif-day {
    margin-bottom: 18px;
}
.notif-day__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--notif-text-muted);
    padding: 6px 4px;
    margin-bottom: 6px;
}

.notif-list {
    background: var(--notif-surface);
    border: 1px solid var(--notif-border);
    border-radius: var(--notif-radius);
    overflow: hidden;
    box-shadow: var(--notif-shadow);
}

.notif-row {
    display: grid;
    grid-template-columns: 28px 36px 1fr auto;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 14px;
    border-bottom: 1px solid var(--notif-border);
    background: var(--notif-surface);
    transition: background 0.15s ease;
}
.notif-row:last-child { border-bottom: 0; }
.notif-row:hover { background: var(--notif-surface-alt); }
.notif-row.is-unread {
    background: var(--notif-unread-bg);
}
.notif-row.is-unread .notif-row__title { font-weight: 700; }

.notif-row__check {
    margin-top: 4px;
}
.notif-row__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.notif-row__title {
    font-size: 14px;
    color: var(--notif-text);
    margin: 0 0 4px 0;
    line-height: 1.4;
}
.notif-row__meta {
    font-size: 12px;
    color: var(--notif-text-muted);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.notif-row__pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--notif-surface-alt);
    border: 1px solid var(--notif-border);
    font-size: 11px;
}
.notif-row__pill[data-priority="1"] { color: var(--notif-priority-high); border-color: var(--notif-priority-high); }
.notif-row__pill[data-priority="2"] { color: #fff; background: var(--notif-priority-urgent); border-color: var(--notif-priority-urgent); }

.notif-row__actions {
    display: flex;
    gap: 4px;
    align-items: center;
    opacity: 0;
    transition: opacity 0.15s ease;
}
.notif-row:hover .notif-row__actions,
.notif-row:focus-within .notif-row__actions { opacity: 1; }
.notif-row__actions button {
    border: 0;
    background: transparent;
    color: var(--notif-text-muted);
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 6px;
    font-size: 13px;
}
.notif-row__actions button:hover {
    color: var(--notif-text);
    background: var(--notif-surface-alt);
}
.notif-row__actions button:focus-visible {
    outline: 2px solid var(--notif-accent);
    outline-offset: 2px;
}

.notif-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--notif-text-muted);
}
.notif-empty i { font-size: 38px; margin-bottom: 10px; opacity: 0.6; }

@media (prefers-reduced-motion: reduce) {
    .notif-row, .notif-row__actions { transition: none; }
}

@media (max-width: 640px) {
    .notif-row { grid-template-columns: 28px 36px 1fr; }
    .notif-row__actions {
        grid-column: 1 / -1;
        opacity: 1;
        justify-content: flex-end;
        margin-top: 6px;
    }
}

/* Visually hidden helper for SR-only labels */
.notif-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}