/* Header notifications panel: desktop popover and mobile fullscreen dialog. Trigger styles live in header.css. */
.arz-notifications-popover {
    position: fixed;
    z-index: 1000;
    width: min(400px, calc(100vw - 24px));
    padding-top: 12px;
}
.arz-notifications-popover[hidden] { display: none; }
.arz-notifications-panel {
    display: flex;
    flex-direction: column;
    max-height: min(560px, var(--arz-notifications-height, calc(100dvh - 120px)));
    overflow: hidden;
    border: 1px solid var(--arz-color-border);
    border-radius: var(--arz-radius-lg);
    background: var(--arz-color-surface-elevated);
    color: var(--arz-color-text);
    box-shadow: var(--arz-shadow-md);
    text-align: right;
}

.arz-notifications-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
    padding: 12px 16px 8px;
}
.arz-notifications-heading h2 {
    flex: 1;
    margin: 0;
    color: var(--arz-color-text);
    font-size: 16px;
    font-weight: 700;
    line-height: 28px;
}
.arz-notifications-read-all {
    flex: 0 0 auto;
    padding: 4px 8px;
    border: 0;
    border-radius: var(--arz-radius-md);
    background: transparent;
    color: var(--arz-color-primary);
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    line-height: 20px;
    cursor: pointer;
}
.arz-notifications-read-all[hidden] { display: none; }
.arz-notifications-read-all:hover { background: var(--arz-color-primary-subtle); }
.arz-notifications-read-all:disabled { color: var(--arz-color-text-muted); cursor: default; }

.arz-notifications-tabs {
    display: flex;
    gap: 8px;
    flex: 0 0 auto;
    padding: 0 16px 12px;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--arz-color-divider-soft);
}
.arz-notifications-tabs::-webkit-scrollbar { display: none; }
.arz-notifications-tabs button {
    flex: 0 0 auto;
    padding: 4px 12px;
    white-space: nowrap;
    border: 1px solid var(--arz-color-border);
    border-radius: var(--arz-radius-pill);
    background: transparent;
    color: var(--arz-color-text-soft);
    font: inherit;
    font-size: 12px;
    line-height: 20px;
    cursor: pointer;
    transition: background-color var(--arz-duration-fast) var(--arz-ease-standard), color var(--arz-duration-fast) var(--arz-ease-standard);
}
.arz-notifications-tabs button:hover { background: var(--arz-color-interactive-hover); }
.arz-notifications-tabs button[aria-selected="true"] {
    border-color: var(--arz-color-primary);
    background: var(--arz-color-primary);
    color: var(--arz-color-on-primary);
}

.arz-notifications-content {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--arz-color-border-strong) transparent;
}
.arz-notifications-list { margin: 0; padding: 0; list-style: none; }
.arz-notifications-item + .arz-notifications-item { border-top: 1px solid var(--arz-color-divider-soft); }
.arz-notifications-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    color: var(--arz-color-text);
    text-decoration: none;
    transition: background-color var(--arz-duration-fast) var(--arz-ease-standard);
}
a.arz-notifications-row { cursor: pointer; }
a.arz-notifications-row:hover { background: var(--arz-color-interactive-hover); color: var(--arz-color-text); }

.arz-notifications-icon {
    display: grid;
    place-items: center;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    box-sizing: border-box;
    border: 1px solid var(--arz-color-border);
    border-radius: var(--arz-radius-pill);
    color: var(--arz-color-text-soft);
}
.arz-notifications-icon::before {
    content: '';
    width: 20px;
    height: 20px;
    background-color: currentColor;
    -webkit-mask: var(--arz-notification-icon) center / contain no-repeat;
    mask: var(--arz-notification-icon) center / contain no-repeat;
}
.is-unread .arz-notifications-icon { border-color: transparent; background: var(--arz-color-primary-subtle); color: var(--arz-color-primary); }

.arz-notifications-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}
.arz-notifications-title {
    display: -webkit-box;
    overflow: hidden;
    color: var(--arz-color-text);
    font-size: 14px;
    font-weight: 400;
    line-height: 22px;
    overflow-wrap: anywhere;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.is-unread .arz-notifications-title { font-weight: 600; }
.arz-notifications-body {
    overflow: hidden;
    color: var(--arz-color-text-soft);
    font-size: 12px;
    line-height: 20px;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.arz-notifications-time { color: var(--arz-color-text-muted); font-size: 12px; line-height: 20px; }
.arz-notifications-dot {
    flex: 0 0 8px;
    width: 8px;
    height: 8px;
    margin-top: 8px;
    border-radius: 50%;
    background: var(--arz-color-primary);
}

.arz-notifications-state { padding: 32px 24px; color: var(--arz-color-text-soft); text-align: center; }
.arz-notifications-state[hidden] { display: none; }
.arz-notifications-state p { margin: 0; color: var(--arz-color-text); font-size: 14px; font-weight: 600; line-height: 24px; }
.arz-notifications-state-hint { display: block; max-width: 280px; margin: 4px auto 0; font-size: 12px; line-height: 20px; }
.arz-notifications-state-icon {
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    background-color: var(--arz-color-text-muted);
    -webkit-mask: url('../icons/notifications/notification.svg') center / contain no-repeat;
    mask: url('../icons/notifications/notification.svg') center / contain no-repeat;
}
.arz-notifications-state[data-kind="error"] .arz-notifications-state-icon { background-color: var(--arz-color-negative); }
.arz-notifications-retry {
    margin-top: 12px;
    padding: 0.5em 1em;
    border: 1px solid var(--arz-color-border-strong);
    border-radius: var(--arz-radius-md);
    background: var(--arz-color-surface);
    color: var(--arz-color-text);
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}
.arz-notifications-retry:hover { background: var(--arz-color-interactive-hover); }
.arz-notifications-state[data-kind="loading"] { padding: 0; }
.arz-notifications-skeleton { display: flex; gap: 12px; padding: 12px 16px; }
.arz-notifications-skeleton span {
    border-radius: var(--arz-radius-pill);
    background: var(--arz-color-border);
    animation: arz-notifications-pulse 1.4s ease-in-out infinite;
}
.arz-notifications-skeleton span:first-child { flex: 0 0 40px; height: 40px; }
.arz-notifications-skeleton span:last-child { flex: 1; height: 14px; margin-top: 6px; border-radius: var(--arz-radius-sm); }
@keyframes arz-notifications-pulse { 50% { opacity: .5; } }
.arz-notifications-sentinel { height: 1px; }

.arz-notifications button:focus,
.arz-notifications button:focus-visible,
.arz-notifications a:focus,
.arz-notifications a:focus-visible { outline: none; box-shadow: none; }
.arz-notifications a.arz-notifications-row:focus-visible { background: var(--arz-color-interactive-hover); }

/* Mobile: fullscreen page, matching the Tools dialog. */
html.arz-notifications-open,
html.arz-notifications-open body { overflow: hidden !important; }
.arz-notifications--mobile {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100vh;
    height: 100dvh;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
    background: var(--arz-color-surface);
    color: var(--arz-color-text);
    font-family: inherit;
    overflow: hidden;
}
.arz-notifications--mobile[open] { display: flex; flex-direction: column; }
.arz-notifications--mobile::backdrop { background: var(--arz-color-surface); }
.arz-notifications--mobile .arz-notifications-heading {
    padding: calc(12px + env(safe-area-inset-top)) 16px 8px 8px;
}
.arz-notifications--mobile .arz-notifications-heading h2 { font-size: 18px; }
.arz-notifications--mobile .arz-notifications-read-all { min-height: 44px; padding: 0 12px; font-size: 13px; }
.arz-notifications-close {
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: var(--arz-radius-md);
    background: transparent;
    color: inherit;
    font: 28px/1 sans-serif;
    cursor: pointer;
}
.arz-notifications--mobile .arz-notifications-tabs button { min-height: 36px; padding: 6px 12px; font-size: 13px; }
.arz-notifications--mobile .arz-notifications-content {
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    padding-bottom: env(safe-area-inset-bottom);
}
.arz-notifications--mobile .arz-notifications-row { min-height: 44px; }
.arz-notifications--mobile a.arz-notifications-row:active { background: var(--arz-color-interactive-hover); }

@media (prefers-reduced-motion: reduce) {
    .arz-notifications-skeleton span { animation: none; }
}