:root {
    --notification-primary: #198754;
    --notification-primary-dark: #12663f;
    --notification-surface: #ffffff;
    --notification-border: #e4e9e7;
    --notification-muted: #65736d;
    --notification-unread: #f0faf5;
}

body {
    background: #f5f8f6;
}

.notification-hero {
    padding: 72px 0 58px;
    color: #fff;
    background: linear-gradient(135deg, #123c2b 0%, #198754 58%, #52b788 100%);
}

.notification-hero h1 {
    margin: 8px 0 12px;
    color: inherit;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
}

.notification-hero p {
    max-width: 720px;
    margin: 0;
    color: rgba(255, 255, 255, .88);
}

.notification-kicker {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    font-size: .82rem;
}

.notification-page {
    padding: 42px 0 72px;
}

.notification-layout {
    display: grid;
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.notification-settings-card,
.notification-list-card {
    border: 1px solid var(--notification-border);
    border-radius: 18px;
    background: var(--notification-surface);
    box-shadow: 0 12px 32px rgba(21, 54, 40, .08);
}

.notification-settings-card {
    position: sticky;
    top: 92px;
    padding: 26px;
}

.settings-icon {
    display: grid;
    width: 54px;
    height: 54px;
    margin-bottom: 18px;
    place-items: center;
    border-radius: 16px;
    background: #e9f7ef;
    font-size: 1.55rem;
}

.notification-settings-card h3,
.notification-list-card h3 {
    margin: 0 0 6px;
    color: #18372a;
    font-weight: 700;
}

.notification-settings-card p,
.notification-list-header p {
    margin: 0;
    color: var(--notification-muted);
}

.permission-state {
    margin: 20px 0;
}

.permission-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 11px;
    border-radius: 999px;
    font-size: .85rem;
    font-weight: 600;
}

.permission-badge.is-checking { color: #675b16; background: #fff8d8; }
.permission-badge.is-enabled { color: #12663f; background: #def5e8; }
.permission-badge.is-disabled { color: #8b2727; background: #fde5e5; }
.permission-badge.is-default { color: #6d5313; background: #fff0c7; }

.notification-primary-button,
.notification-secondary-button {
    width: 100%;
    min-height: 44px;
    border-radius: 10px;
    font-weight: 600;
}

.notification-primary-button {
    color: #fff;
    background: var(--notification-primary);
}

.notification-primary-button:hover,
.notification-primary-button:focus {
    color: #fff;
    background: var(--notification-primary-dark);
}

.notification-secondary-button {
    margin-top: 10px;
    color: var(--notification-primary-dark);
    border: 1px solid #9bcdb3;
    background: #fff;
}

.browser-help {
    margin-top: 14px !important;
    padding: 12px;
    border-radius: 10px;
    color: #774d00 !important;
    background: #fff4d6;
    font-size: .86rem;
}

.notification-list-card {
    overflow: hidden;
}

.notification-list-header {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    padding: 24px 26px 18px;
}

.mark-all-button {
    color: var(--notification-primary-dark);
    border: 1px solid #b9d9c7;
    background: #f5fbf7;
}

.notification-toolbar {
    display: flex;
    gap: 8px;
    padding: 0 26px 18px;
    border-bottom: 1px solid var(--notification-border);
}

.filter-button {
    padding: 7px 16px;
    border: 0;
    border-radius: 999px;
    color: #52625b;
    background: #edf1ef;
}

.filter-button.is-active {
    color: #fff;
    background: var(--notification-primary);
}

.notification-item {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 14px;
    padding: 20px 26px;
    border-bottom: 1px solid var(--notification-border);
    background: #fff;
}

.notification-item.is-unread {
    background: var(--notification-unread);
}

.notification-item:last-child {
    border-bottom: 0;
}

.notification-item-icon {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 13px;
    background: #e7f5ed;
    font-size: 1.25rem;
}

.notification-item-title {
    margin: 0 0 5px;
    color: #17382a;
    font-size: 1rem;
    font-weight: 700;
}

.notification-item-message {
    margin: 0 0 9px;
    color: #506059;
    line-height: 1.65;
    white-space: pre-line;
}

.notification-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    color: #7a8882;
    font-size: .8rem;
}

.notification-item-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
}

.notification-read-button,
.notification-open-link {
    padding: 5px 10px;
    border: 0;
    border-radius: 8px;
    color: var(--notification-primary-dark);
    background: #e5f4eb;
    font-size: .8rem;
    text-decoration: none;
}

.notification-read-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--notification-primary);
}

.notification-loading,
.notification-empty {
    padding: 54px 24px;
    color: var(--notification-muted);
    text-align: center;
}

.notification-empty span {
    display: block;
    margin-bottom: 12px;
    font-size: 2.4rem;
}

.notification-empty h4 {
    color: #2b493b;
}

.notification-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 7px;
    vertical-align: -4px;
    border: 2px solid #c8d8cf;
    border-top-color: var(--notification-primary);
    border-radius: 50%;
    animation: notification-spin .7s linear infinite;
}

.page-message {
    margin-bottom: 20px;
    padding: 13px 16px;
    border-radius: 10px;
    color: #155d37;
    border: 1px solid #b9ddca;
    background: #e9f7ef;
}

.page-message.is-error {
    color: #8a2929;
    border-color: #efbcbc;
    background: #fdeaea;
}

@keyframes notification-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 991.98px) {
    .notification-layout { grid-template-columns: 1fr; }
    .notification-settings-card { position: static; }
}

@media (max-width: 575.98px) {
    .notification-hero { padding: 52px 0 42px; }
    .notification-page { padding-top: 24px; }
    .notification-list-header { align-items: flex-start; flex-direction: column; }
    .notification-item { grid-template-columns: 40px minmax(0, 1fr); padding: 18px; }
    .notification-item-actions { grid-column: 2; align-items: flex-start; flex-direction: row; }
}

@media (prefers-reduced-motion: reduce) {
    .notification-spinner { animation: none; }
}