/* ==========================================================================
   Sutra Notification Center — local-first, theme-native
   ==========================================================================
   Inherits the active app theme via CSS custom properties.
   No hard-coded light-only surfaces.
   All animations respect prefers-reduced-motion and the in-app motion settings.
   ========================================================================== */

/* ---- Bell button in the top nav ----------------------------------------- */
.notif-bell-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--button-bg, var(--surface-bg));
    border-radius: var(--radius, 14px);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition:
        background 160ms cubic-bezier(0.22, 1, 0.36, 1),
        color 160ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 160ms cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 160ms cubic-bezier(0.22, 1, 0.36, 1);
}

.notif-bell-btn:hover {
    background: var(--button-bg-hover, var(--surface-bg-hover));
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.notif-bell-btn:active {
    transform: scale(0.94);
    transition-duration: 80ms;
}

.notif-bell-btn:focus-visible {
    outline: 2.5px solid var(--accent);
    outline-offset: 2px;
}

/* Badge */
.notif-bell-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    pointer-events: none;
    border: 1.5px solid var(--bg-primary, #fff);
    transform: scale(0);
    transition: transform 200ms cubic-bezier(0.34, 1.4, 0.64, 1);
}

.notif-bell-badge[data-count]:not([data-count="0"]) {
    transform: scale(1);
}

/* ---- Notification panel -------------------------------------------------- */
#notifPanel {
    position: fixed;
    top: calc(var(--top-nav-height, 88px) + 8px);
    right: 12px;
    width: min(420px, calc(100vw - 24px));
    max-height: min(600px, calc(100dvh - var(--top-nav-height, 88px) - 24px));
    background: var(--bg-elevated, #fff);
    border: 1px solid var(--surface-border, rgba(22, 30, 45, 0.10));
    border-radius: var(--radius-lg, 22px);
    box-shadow:
        0 1px 0 color-mix(in srgb, var(--surface-border) 60%, transparent) inset,
        0 24px 56px rgba(0, 0, 0, 0.20),
        0 8px 20px rgba(0, 0, 0, 0.10);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 4000;
    /* Hidden state */
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    pointer-events: none;
    transition:
        opacity 180ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

#notifPanel.notif-panel--open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Mobile: bottom sheet */
@media (max-width: 600px) {
    #notifPanel {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 80dvh;
        border-radius: var(--radius-lg, 22px) var(--radius-lg, 22px) 0 0;
        transform: translateY(100%);
    }
    #notifPanel.notif-panel--open {
        transform: translateY(0);
    }
}

/* ---- Panel header -------------------------------------------------------- */
.notif-panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--surface-border, rgba(22, 30, 45, 0.10));
    flex-shrink: 0;
}

.notif-panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.015em;
    flex: 1;
    margin: 0;
}

.notif-panel-count {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--surface-bg, rgba(22, 30, 45, 0.04));
    border: 1px solid var(--surface-border, rgba(22, 30, 45, 0.10));
    border-radius: 999px;
    padding: 2px 8px;
    display: none;
}

.notif-panel-count[data-count]:not([data-count="0"]) {
    display: inline-block;
}

.notif-panel-mark-all {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 6px;
    transition: background 140ms ease, color 140ms ease;
    white-space: nowrap;
}

.notif-panel-mark-all:hover {
    background: var(--accent-soft, rgba(93, 130, 245, 0.12));
}

.notif-panel-mark-all:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.notif-panel-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    transition: background 140ms ease, color 140ms ease;
    flex-shrink: 0;
}

.notif-panel-close:hover {
    background: var(--surface-bg-hover, rgba(22, 30, 45, 0.06));
    color: var(--text-primary);
}

.notif-panel-close:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ---- Filter row ---------------------------------------------------------- */
.notif-filter-row {
    display: flex;
    gap: 6px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--surface-border, rgba(22, 30, 45, 0.10));
    flex-shrink: 0;
}

.notif-filter-btn {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: none;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 4px 10px;
    cursor: pointer;
    transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.notif-filter-btn:hover {
    background: var(--surface-bg-hover, rgba(22, 30, 45, 0.06));
    color: var(--text-primary);
}

.notif-filter-btn.active {
    background: var(--accent-soft, rgba(93, 130, 245, 0.12));
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
    color: var(--text-primary);
}

/* ---- Notification list --------------------------------------------------- */
.notif-list {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--text-muted) 30%, transparent) transparent;
    min-height: 0;
}

/* ---- Empty state --------------------------------------------------------- */
.notif-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 48px 24px;
    color: var(--text-muted);
    text-align: center;
}

.notif-empty-icon {
    font-size: 2rem;
    opacity: 0.4;
    margin-bottom: 4px;
}

.notif-empty-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.notif-empty-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    max-width: 24ch;
    line-height: 1.5;
}

/* ---- Notification row ---------------------------------------------------- */
.notif-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: start;
    padding: 11px 16px;
    border-bottom: 1px solid var(--surface-border, rgba(22, 30, 45, 0.06));
    cursor: pointer;
    transition: background 140ms ease;
    position: relative;
}

.notif-row:last-child {
    border-bottom: none;
}

.notif-row:hover {
    background: var(--surface-bg-hover, rgba(22, 30, 45, 0.05));
}

.notif-row:active {
    background: var(--surface-bg-active, rgba(22, 30, 45, 0.08));
}

.notif-row.unread::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 6px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    transform: translateY(-50%);
}

.notif-row.notif-row--removing {
    opacity: 0;
    transform: translateX(8px);
    transition: opacity 200ms ease, transform 200ms ease;
    pointer-events: none;
}

/* Category icon */
.notif-row-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    flex-shrink: 0;
    font-size: 0.85rem;
}

.notif-row-icon.priority-overdue  { background: color-mix(in srgb, #ef4444 14%, transparent); color: #ef4444; }
.notif-row-icon.priority-urgent   { background: color-mix(in srgb, #f97316 14%, transparent); color: #f97316; }
.notif-row-icon.priority-important{ background: color-mix(in srgb, #eab308 14%, transparent); color: #d97706; }
.notif-row-icon.priority-upcoming { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.notif-row-icon.priority-info     { background: var(--surface-bg, rgba(22,30,45,0.05)); color: var(--text-muted); }

/* Text content */
.notif-row-body {
    min-width: 0;
}

.notif-row-title {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notif-row.read .notif-row-title {
    font-weight: 500;
    color: var(--text-secondary);
}

.notif-row-subtitle {
    font-size: 0.74rem;
    color: var(--text-muted);
    margin-top: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.notif-row-time {
    font-size: 0.70rem;
    color: var(--text-muted);
    margin-top: 3px;
}

/* Actions */
.notif-row-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    align-items: start;
    padding-top: 2px;
}

.notif-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 6px;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.7rem;
    transition: background 120ms ease, color 120ms ease;
    flex-shrink: 0;
}

.notif-action-btn:hover {
    background: var(--surface-bg-hover, rgba(22,30,45,0.08));
    color: var(--text-primary);
}

.notif-action-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

/* ---- Panel footer -------------------------------------------------------- */
.notif-panel-footer {
    padding: 10px 18px;
    border-top: 1px solid var(--surface-border, rgba(22, 30, 45, 0.10));
    flex-shrink: 0;
}

.notif-footer-link {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    text-align: left;
    transition: color 140ms ease;
}

.notif-footer-link:hover {
    color: var(--accent);
}

/* ---- Toast notifications ------------------------------------------------- */
#notifToastContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 5000;
    max-width: min(360px, calc(100vw - 24px));
    pointer-events: none;
}

.notif-toast {
    background: var(--bg-elevated, #fff);
    border: 1px solid var(--surface-border, rgba(22,30,45,0.10));
    border-radius: var(--radius, 14px);
    padding: 12px 14px;
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.16),
        0 2px 6px rgba(0, 0, 0, 0.08);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    pointer-events: auto;
    cursor: pointer;
    opacity: 0;
    transform: translateX(12px) scale(0.97);
    transition:
        opacity 200ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.notif-toast.notif-toast--visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.notif-toast.notif-toast--hiding {
    opacity: 0;
    transform: translateX(12px) scale(0.97);
    transition: opacity 180ms ease, transform 180ms ease;
    pointer-events: none;
}

.notif-toast-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
    color: var(--accent);
}

.notif-toast-body {
    min-width: 0;
}

.notif-toast-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notif-toast-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notif-toast-dismiss {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 4px;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.65rem;
    flex-shrink: 0;
    transition: background 120ms ease, color 120ms ease;
}

.notif-toast-dismiss:hover {
    background: var(--surface-bg-hover);
    color: var(--text-primary);
}

/* Mobile toasts: from bottom */
@media (max-width: 600px) {
    #notifToastContainer {
        bottom: 72px;
        right: 12px;
        left: 12px;
        max-width: 100%;
    }
}

/* ---- Overlay (mobile panel backdrop) ------------------------------------- */
#notifOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.38);
    z-index: 3999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

#notifOverlay.notif-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

/* ---- Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    #notifPanel,
    .notif-toast,
    .notif-bell-badge,
    .notif-row,
    .notif-row.notif-row--removing {
        transition: none !important;
        animation: none !important;
    }
    #notifPanel.notif-panel--open {
        opacity: 1;
        transform: none;
    }
    .notif-toast.notif-toast--visible {
        opacity: 1;
        transform: none;
    }
}

body.motion-off #notifPanel,
body.motion-off .notif-toast,
body.motion-off .notif-bell-badge,
body.motion-off .notif-row.notif-row--removing {
    transition: none !important;
    animation: none !important;
}