/* ==========================================================================
   Notification Center — modern, minimal, app-them accent
   ========================================================================== */

.nt-page {
    --nt-border: #eef0f3;
    --nt-border-strong: #e3e6eb;
    --nt-bg-soft: #f7f8fa;
    --nt-bg-hover: #f5f7fb;
    --nt-text: #1f2937;
    --nt-text-muted: #6b7280;
    --nt-text-soft: #9ca3af;
    --nt-accent: var(--app-them, #16489f);
    --nt-accent-soft: rgba(22, 72, 159, 0.08);
    --nt-warning: #b45309;
    --nt-warning-soft: #fef3c7;
    --nt-success: #047857;
    --nt-success-soft: #ecfdf5;
    --nt-danger: #991b1b;
    --nt-danger-soft: #fee2e2;
    color: var(--nt-text);
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 0.5rem 2rem;
}

/* ===== Header ===== */
.nt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
}

.nt-header__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.1rem;
    color: var(--nt-text);
    letter-spacing: -0.01em;
}

.nt-header__sub {
    font-size: 0.8rem;
    color: var(--nt-text-muted);
    margin: 0;
}

.nt-iconbtn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--nt-border);
    background: #fff;
    color: var(--nt-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.nt-iconbtn:hover {
    background: var(--nt-bg-soft);
    color: var(--nt-text);
    border-color: var(--nt-border-strong);
}

.nt-iconbtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Toolbar (filters + search) ===== */
.nt-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    flex-wrap: wrap;
}

.nt-tabs {
    display: inline-flex;
    background: var(--nt-bg-soft);
    border-radius: 10px;
    padding: 3px;
    gap: 2px;
}

.nt-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border: none;
    background: transparent;
    border-radius: 7px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--nt-text-muted);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.nt-tab:hover {
    color: var(--nt-text);
}

.nt-tab.is-active {
    background: #fff;
    color: var(--nt-text);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.nt-tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--nt-border-strong);
    color: var(--nt-text);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1;
}

.nt-tab.is-active .nt-tab__count {
    background: var(--nt-accent);
    color: #fff;
}

.nt-search {
    position: relative;
    flex: 0 1 260px;
    min-width: 180px;
}

.nt-search i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--nt-text-soft);
    font-size: 16px;
    pointer-events: none;
}

.nt-search input {
    width: 100%;
    height: 36px;
    padding: 0 0.75rem 0 32px;
    border: 1px solid var(--nt-border);
    background: #fff;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--nt-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.nt-search input:focus {
    outline: none;
    border-color: var(--nt-accent);
    box-shadow: 0 0 0 3px var(--nt-accent-soft);
}

.nt-search input::placeholder {
    color: var(--nt-text-soft);
}

/* ===== Date group ===== */
.nt-group__label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--nt-text-soft);
    margin: 1.25rem 0 0.5rem;
    padding: 0 0.25rem;
}

.nt-group:first-child .nt-group__label { margin-top: 0; }

.nt-list {
    background: #fff;
    border: 1px solid var(--nt-border);
    border-radius: 10px;
    overflow: hidden;
}

/* ===== Item ===== */
.nt-item {
    display: grid;
    grid-template-columns: 8px 36px 1fr auto;
    column-gap: 0.85rem;
    align-items: flex-start;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid var(--nt-border);
    cursor: pointer;
    transition: background 0.12s;
    position: relative;
}

.nt-item:last-child { border-bottom: none; }

.nt-item:hover {
    background: var(--nt-bg-hover);
}

.nt-item__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: transparent;
    margin-top: 12px;
    transition: background 0.15s;
}

.nt-item--unread .nt-item__dot {
    background: var(--nt-accent);
}

.nt-item__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--nt-bg-soft);
    color: var(--nt-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.nt-item--action .nt-item__avatar {
    background: var(--nt-warning-soft);
    color: var(--nt-warning);
}

.nt-item--approved .nt-item__avatar {
    background: var(--nt-success-soft);
    color: var(--nt-success);
}

.nt-item--declined .nt-item__avatar {
    background: var(--nt-danger-soft);
    color: var(--nt-danger);
}

.nt-item__body {
    min-width: 0;
}

.nt-item__top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.15rem;
}

.nt-item__title {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--nt-text);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.nt-item--unread .nt-item__title {
    font-weight: 600;
}

.nt-item__date {
    font-size: 0.72rem;
    color: var(--nt-text-soft);
    flex-shrink: 0;
    white-space: nowrap;
}

.nt-item__content {
    font-size: 0.82rem;
    color: var(--nt-text-muted);
    margin: 0 0 0.4rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nt-item__meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.nt-pill {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.12rem 0.5rem;
    border-radius: 999px;
    letter-spacing: 0.02em;
    background: var(--nt-bg-soft);
    color: var(--nt-text-muted);
    text-transform: uppercase;
}

.nt-pill--action   { background: var(--nt-warning-soft); color: var(--nt-warning); }
.nt-pill--approved { background: var(--nt-success-soft); color: var(--nt-success); }
.nt-pill--declined { background: var(--nt-danger-soft);  color: var(--nt-danger); }

.nt-item__actions {
    display: flex;
    gap: 0.35rem;
    align-items: center;
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.15s;
}

.nt-item:hover .nt-item__actions,
.nt-item--action .nt-item__actions {
    opacity: 1;
}

.nt-actionbtn {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    border: 1px solid var(--nt-border);
    background: #fff;
    color: var(--nt-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.nt-actionbtn:hover {
    background: var(--nt-bg-soft);
    color: var(--nt-text);
}

.nt-actionbtn--approve:hover { background: var(--nt-success-soft); color: var(--nt-success); border-color: transparent; }
.nt-actionbtn--decline:hover { background: var(--nt-danger-soft);  color: var(--nt-danger);  border-color: transparent; }
.nt-actionbtn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Empty / loading / error ===== */
.nt-empty {
    background: #fff;
    border: 1px solid var(--nt-border);
    border-radius: 10px;
    text-align: center;
    padding: 2.25rem 1.25rem;
    max-width: 520px;
    margin: 0 auto;
}

.nt-empty__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--nt-bg-soft);
    color: var(--nt-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 0.65rem;
}

.nt-empty__title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
    color: var(--nt-text);
}

.nt-empty__text {
    font-size: 0.83rem;
    color: var(--nt-text-muted);
    margin: 0;
}

.nt-empty--danger .nt-empty__icon { background: var(--nt-danger-soft); color: var(--nt-danger); }

/* Skeleton */
.nt-skeleton {
    background: #fff;
    border: 1px solid var(--nt-border);
    border-radius: 10px;
    overflow: hidden;
}

.nt-skeleton__item {
    display: grid;
    grid-template-columns: 8px 36px 1fr;
    column-gap: 0.85rem;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid var(--nt-border);
    align-items: center;
}

.nt-skeleton__item:last-child { border-bottom: none; }

.nt-skeleton__circle {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--nt-bg-soft);
    animation: nt-pulse 1.4s ease-in-out infinite;
}

.nt-skeleton__lines { display: flex; flex-direction: column; gap: 0.4rem; }

.nt-skeleton__line {
    height: 10px;
    background: var(--nt-bg-soft);
    border-radius: 4px;
    animation: nt-pulse 1.4s ease-in-out infinite;
}

.nt-skeleton__line--short { width: 40%; }
.nt-skeleton__line--mid   { width: 70%; }

@keyframes nt-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.55; }
}

/* ===== Drawer (details) ===== */
.nt-drawer {
    --bs-offcanvas-width: 440px;
    background: #fff;
}

.nt-drawer__head {
    padding: 1.25rem 1.5rem 1rem;
    border-bottom: 1px solid var(--nt-border);
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.nt-drawer__avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--nt-bg-soft);
    color: var(--nt-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.nt-drawer__avatar--action   { background: var(--nt-warning-soft); color: var(--nt-warning); }
.nt-drawer__avatar--approved { background: var(--nt-success-soft); color: var(--nt-success); }
.nt-drawer__avatar--declined { background: var(--nt-danger-soft);  color: var(--nt-danger); }

.nt-drawer__title-wrap { flex: 1; min-width: 0; }

.nt-drawer__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.3rem;
    color: var(--nt-text);
    line-height: 1.35;
}

.nt-drawer__meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.nt-drawer__close {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    border: 1px solid var(--nt-border);
    background: #fff;
    color: var(--nt-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.15s;
    flex-shrink: 0;
}

.nt-drawer__close:hover { background: var(--nt-bg-soft); color: var(--nt-text); }

.nt-drawer__body {
    padding: 1.25rem 1.5rem;
}

.nt-drawer__content {
    font-size: 0.9rem;
    color: var(--nt-text);
    line-height: 1.55;
    white-space: pre-wrap;
    margin: 0 0 1rem;
}

.nt-drawer__date {
    font-size: 0.78rem;
    color: var(--nt-text-soft);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nt-drawer__foot {
    padding: 1rem 1.5rem;
    background: var(--nt-bg-soft);
    border-top: 1px solid var(--nt-border);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nt-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--nt-border);
    background: #fff;
    color: var(--nt-text);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.nt-btn:hover { background: var(--nt-bg-soft); }

.nt-btn--primary {
    background: var(--nt-accent);
    border-color: var(--nt-accent);
    color: #fff;
}

.nt-btn--primary:hover { filter: brightness(0.93); background: var(--nt-accent); }

.nt-btn--success {
    background: var(--nt-success);
    border-color: var(--nt-success);
    color: #fff;
}

.nt-btn--success:hover { filter: brightness(0.93); background: var(--nt-success); }

.nt-btn--danger-ghost {
    color: var(--nt-danger);
    border-color: var(--nt-border);
}

.nt-btn--danger-ghost:hover { background: var(--nt-danger-soft); border-color: transparent; }

.nt-btn--ghost { background: transparent; }

.nt-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.nt-btn .bx-loader-alt { animation: nt-spin 0.9s linear infinite; }

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

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .nt-toolbar { flex-direction: column; align-items: stretch; }
    .nt-search { flex: 1 1 auto; min-width: 0; }
    .nt-tabs { overflow-x: auto; }
    .nt-item { grid-template-columns: 6px 32px 1fr; column-gap: 0.6rem; padding: 0.85rem 0.75rem; }
    .nt-item__actions {
        grid-column: 2 / -1;
        margin-top: 0.5rem;
        opacity: 1;
    }
    .nt-drawer { --bs-offcanvas-width: 100%; }
}