:root {
    --bg: #f6f7f9;
    --surface: #fff;
    --border: #e3e6eb;
    --text: #1f2328;
    --muted: #6b7280;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #10b981;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
    --sidebar-w: 220px;
    --topbar-h: 56px;
}

[data-theme="dark"] {
    --bg: #0f1a14;
    --surface: #182922;
    --border: #2d4238;
    --text: #e5ebe7;
    --muted: #8ea092;
    --primary: #6c63ff;
    --primary-hover: #5750e0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.55), 0 2px 8px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .form-grid input[type="text"],
[data-theme="dark"] .form-grid input[type="search"],
[data-theme="dark"] .form-grid input[type="password"],
[data-theme="dark"] select,
[data-theme="dark"] .picker-search,
[data-theme="dark"] .menu-group-box {
    background: #1e2f27;
    color: var(--text);
    border-color: var(--border);
}
[data-theme="dark"] .btn {
    background: #223026;
    color: var(--text);
}
[data-theme="dark"] .btn:hover {
    background: #2c3e33;
}
[data-theme="dark"] .btn-primary {
    color: #fff;
}
[data-theme="dark"] code.mid {
    background: #223026;
    color: #aab9af;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
body.modal-open { overflow: hidden; }

/* ── Layout: topbar + left sidebar + main ── */

.layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas:
        "topbar topbar"
        "sidebar main";
    min-height: 100vh;
}

.topbar {
    grid-area: topbar;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.4rem;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

.brand {
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    color: var(--text);
    flex: 0 0 auto;
}
.brand:hover { color: var(--primary); }

.user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--muted);
}
.user-chip {
    padding: 0.3rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.88rem;
    color: var(--text);
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.role-badge {
    display: inline-block;
    padding: 0 0.45rem;
    font-size: 0.72rem;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    letter-spacing: 0.03em;
}
.role-badge.super,
.role-badge.color-super {
    background: #fef3c7;
    border-color: #f59e0b;
    color: #92400e;
}
.role-badge.color-red    { background: #fee2e2; border-color: #fca5a5; color: #991b1b; }
.role-badge.color-orange { background: #ffedd5; border-color: #fdba74; color: #9a3412; }
.role-badge.color-yellow { background: #fef9c3; border-color: #fde047; color: #854d0e; }
.role-badge.color-green  { background: #dcfce7; border-color: #86efac; color: #166534; }
.role-badge.color-blue   { background: #dbeafe; border-color: #93c5fd; color: #1e40af; }
.role-badge.color-indigo { background: #e0e7ff; border-color: #a5b4fc; color: #3730a3; }
.role-badge.color-purple { background: #f3e8ff; border-color: #d8b4fe; color: #6b21a8; }
.role-badge.color-coral  { background: #ffe4e0; border-color: #ff7f7a; color: #9a3412; }

/* ── Badge color picker (radio swatches) ── */
.badge-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.25rem 0;
    margin: 0;
    border: none;
}
.badge-picker .swatch {
    position: relative;
    cursor: pointer;
    user-select: none;
}
.badge-picker .swatch input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}
.badge-picker .swatch-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 0.55rem;
    border: 2px solid transparent;
    border-radius: 999px;
    background: #e5e7eb;
    font-size: 0.72rem;
    color: var(--muted);
    line-height: 1;
}
.badge-picker .swatch-none .swatch-dot {
    background: #fff;
    border-color: var(--border);
}
.badge-picker .color-red    .swatch-dot { background: #ef4444; }
.badge-picker .color-orange .swatch-dot { background: #f97316; }
.badge-picker .color-yellow .swatch-dot { background: #eab308; }
.badge-picker .color-green  .swatch-dot { background: #22c55e; }
.badge-picker .color-blue   .swatch-dot { background: #3b82f6; }
.badge-picker .color-indigo .swatch-dot { background: #6366f1; }
.badge-picker .color-purple .swatch-dot { background: #a855f7; }
.badge-picker .color-super  .swatch-dot { background: #f59e0b; }
.badge-picker .color-coral  .swatch-dot { background: #ff7f7a; }
.badge-picker .swatch-admin .swatch-dot {
    box-shadow: 0 0 0 2px #fff, 0 0 0 3px #f59e0b;
}
.badge-picker .swatch input:checked + .swatch-dot,
.badge-picker .swatch.selected .swatch-dot {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.badge-picker .swatch:hover .swatch-dot {
    transform: scale(1.05);
}
.user-sep {
    width: 1px;
    height: 22px;
    background: var(--border);
    flex: 0 0 auto;
}

.sidebar {
    grid-area: sidebar;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1rem 0.75rem;
    position: sticky;
    top: var(--topbar-h);
    align-self: start;
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
}

.sidebar .nav {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.75rem;
    text-decoration: none;
    color: var(--text);
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    user-select: none;
}
.nav-item:hover { background: var(--bg); }
a.nav-item.active {
    background: var(--primary);
    color: #fff;
}

.nav-group { margin: 0.15rem 0; }
.nav-group > summary {
    list-style: none;
    justify-content: space-between;
}
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-caret {
    font-size: 0.75rem;
    color: var(--muted);
    transition: transform 0.15s ease;
}
.nav-group[open] > summary .nav-caret { transform: rotate(90deg); }

.nav-sub {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.2rem 0 0.2rem 0.75rem;
    margin-left: 0.75rem;
    border-left: 1px solid var(--border);
}
.nav-sub .nav-item {
    padding: 0.45rem 0.7rem;
    font-size: 0.9rem;
}

.sidebar-backdrop {
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 15;
}

.main {
    grid-area: main;
    padding: 1.5rem;
    max-width: 1200px;
    width: 100%;
}
.main-guest { margin: 0 auto; }

.inline { display: inline; }

.flash {
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    color: #3730a3;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}

h2 { margin-top: 0; }
h3 {
    margin-top: 0;
    font-size: 1rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Forms ── */

.form-grid { display: grid; gap: 0.75rem; }
.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.9rem;
    color: var(--muted);
}
.form-grid small { color: var(--muted); font-weight: 400; }
.form-grid input[type="text"],
.form-grid input[type="search"],
.form-grid input[type="password"] {
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    width: 100%;
}
.form-grid input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.field-row {
    display: flex;
    gap: 0.4rem;
    align-items: stretch;
}
.field-row input { flex: 1; min-width: 0; }
.field-row .btn { flex: 0 0 auto; white-space: nowrap; }

/* Inline checkbox label — overrides .form-grid's column layout so the box
   sits to the left of its text. Hides the native control and renders a
   custom 18px square that fills with --primary when checked. */
.form-grid label.inline-label,
.form-grid label.menu-check,
.inline-label {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text);
    user-select: none;
}
.inline-label input[type="checkbox"],
.menu-check input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin: 0;
    border: 1.5px solid var(--primary);
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    position: relative;
    flex: 0 0 auto;
    transition: background 0.12s, border-color 0.12s;
}
.inline-label:hover input[type="checkbox"]:not(:checked),
.menu-check:hover input[type="checkbox"]:not(:checked),
.inline-label input[type="checkbox"]:hover:not(:checked),
.menu-check input[type="checkbox"]:hover:not(:checked) {
    background: rgba(79, 70, 229, 0.12);
}
.inline-label input[type="checkbox"]:checked,
.menu-check input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}
.inline-label input[type="checkbox"]:checked::after,
.menu-check input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.inline-label input[type="checkbox"]:focus-visible,
.menu-check input[type="checkbox"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}
[data-theme="dark"] .inline-label input[type="checkbox"],
[data-theme="dark"] .menu-check input[type="checkbox"] {
    background: #1f2937;
    border-color: var(--border);
}

/* Flatpickr override — give the popup a clear frame */
.flatpickr-calendar {
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 0 2px 6px rgba(0, 0, 0, 0.08) !important;
    background: var(--surface) !important;
    overflow: hidden;
}
.flatpickr-calendar.arrowTop::before,
.flatpickr-calendar.arrowTop::after,
.flatpickr-calendar.arrowBottom::before,
.flatpickr-calendar.arrowBottom::after {
    border-bottom-color: var(--border) !important;
}
.flatpickr-months,
.flatpickr-innerContainer,
.flatpickr-time {
    background: var(--surface) !important;
}
.flatpickr-day.selected,
.flatpickr-day.selected:hover,
.flatpickr-day.today {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}
.flatpickr-day.today:not(.selected) {
    background: transparent !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

/* ── Buttons ── */

.btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.2;
}
.btn:hover { background: var(--bg); }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger {
    background: #fff;
    border-color: var(--danger);
    color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--muted);
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

/* ── Table ── */

.table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
.data-table th, .data-table td {
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
.data-table th {
    font-size: 0.8rem;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.data-table .id { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.data-table .keywords { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.data-table .chatid { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; word-break: break-all; }
.data-table .content { max-width: 260px; word-wrap: break-word; }
.data-table .when { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }

tr.user-frozen td {
    opacity: 0.6;
    font-style: italic;
}
tr.user-frozen .role-badge { opacity: 1; font-style: normal; }

tr[id^="user-"] { scroll-margin-top: 5rem; }
tr[id^="user-"]:target td {
    animation: row-target-pulse 2.5s ease-out;
}
@keyframes row-target-pulse {
    0%   { background: rgba(99, 102, 241, 0.28); }
    100% { background: transparent; }
}

.btn-link {
    background: none;
    border: none;
    padding: 0;
    color: var(--primary);
    cursor: pointer;
    text-decoration: underline;
    font: inherit;
}
.btn-link:hover { color: var(--primary-hover); }

.member-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.member-list li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
}
.member-list a { color: var(--primary); text-decoration: none; }
.member-list a:hover { text-decoration: underline; }

.muted { color: var(--muted); }

.actions {
    white-space: nowrap;
    display: flex;
    gap: 0.4rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
/* ── Role/permission UI ── */

.menu-checkbox-grid {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    margin-top: 0.25rem;
    max-width: 360px;
    width: 100%;
}
.menu-group-box {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.4rem 0.5rem 0.2rem;
    margin: 0;
    background: #fff;
    align-self: stretch;
    width: 100%;
    box-sizing: border-box;
}
.menu-group-box legend {
    padding: 0 0.4rem;
    font-size: 0.82rem;
    color: var(--text);
}
.menu-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.4rem;
    font-size: 0.92rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
    transition: background 0.12s;
}
.menu-check:last-child {
    border-bottom: none;
}
.menu-check:hover {
    background: rgba(79, 70, 229, 0.06);
}
code.mid {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0 0.3rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.78rem;
    color: var(--muted);
    margin-right: 0.25rem;
}
select {
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    background: #fff;
    color: var(--text);
}
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.forbidden {
    text-align: center;
    padding: 2.5rem 1.5rem;
}
.forbidden-icon { font-size: 3rem; margin-bottom: 0.5rem; }

/* ── Draggable role rows ── */

.drag-handle {
    cursor: grab;
    user-select: none;
    color: var(--muted);
    padding: 0 0.35rem;
    font-size: 1.1rem;
    line-height: 1;
}
.drag-handle:active { cursor: grabbing; }
tr.role-row.dragging {
    opacity: 0.4;
    background: var(--bg);
}
tr.role-row.drop-above td { box-shadow: inset 0 2px 0 0 var(--primary); }
tr.role-row.drop-below td { box-shadow: inset 0 -2px 0 0 var(--primary); }
tr.role-row[data-locked="1"] .drag-handle {
    cursor: not-allowed;
    color: var(--border);
}

/* ── Home tiles ── */

.hero { margin-bottom: 1.5rem; }
.hero h2 { margin-bottom: 0.25rem; }

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}
.tile {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    transition: transform 0.1s ease, box-shadow 0.1s ease, border-color 0.1s ease;
}
.tile:hover {
    transform: translateY(-1px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.12);
}
.tile-icon { font-size: 2rem; }
.tile-body { display: flex; flex-direction: column; gap: 0.1rem; }
.tile-title { font-weight: 600; }
.tile-count { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.tile-sub { font-size: 0.85rem; }

/* ── Login page: forest-fantasy scene ── */

.login-scene {
    position: fixed;
    inset: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(255, 235, 170, 0.45) 0%, transparent 45%),
        radial-gradient(ellipse at 80% 90%, rgba(120, 180, 140, 0.45) 0%, transparent 55%),
        linear-gradient(160deg, #e7f3ea 0%, #c0dcc5 45%, #88b48f 100%);
}
[data-theme="dark"] .login-scene {
    background:
        radial-gradient(ellipse at 20% 10%, rgba(212, 168, 70, 0.2) 0%, transparent 45%),
        radial-gradient(ellipse at 80% 90%, rgba(60, 120, 90, 0.35) 0%, transparent 55%),
        linear-gradient(160deg, #1b3024 0%, #0f1f17 50%, #06100a 100%);
}

.login-sky {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.firefly {
    position: absolute;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: radial-gradient(circle, #fff8c2 0%, #facc15 50%, transparent 75%);
    box-shadow: 0 0 10px 2px rgba(250, 204, 21, 0.7);
    animation: firefly-twinkle var(--tw, 3s) ease-in-out infinite,
               firefly-drift var(--dr, 9s) ease-in-out infinite;
    animation-delay: var(--d, 0s);
    opacity: 0.6;
}
.firefly.f1 { top: 18%; left: 12%; --tw: 2.6s; --dr: 8s; --d: 0s; }
.firefly.f2 { top: 72%; left: 86%; --tw: 3.1s; --dr: 10s; --d: 1.5s; }
.firefly.f3 { top: 42%; left: 6%; --tw: 2.2s; --dr: 7s; --d: 3s; }
.firefly.f4 { top: 85%; left: 25%; --tw: 3.8s; --dr: 11s; --d: 0.8s; }
.firefly.f5 { top: 12%; left: 72%; --tw: 2.9s; --dr: 9s; --d: 2.4s; }
.firefly.f6 { top: 55%; left: 55%; --tw: 3.4s; --dr: 12s; --d: 4s; }

.leaf {
    position: absolute;
    top: -6vh;
    font-size: 1.4rem;
    opacity: 0;
    animation: leaf-drift var(--dur, 20s) linear infinite;
    animation-delay: var(--d, 0s);
    filter: drop-shadow(0 2px 3px rgba(30, 60, 40, 0.2));
}
.leaf.l1 { left: 8%;  --dur: 24s; --d: 0s; }
.leaf.l2 { left: 38%; --dur: 19s; --d: 6s; }
.leaf.l3 { left: 68%; --dur: 27s; --d: 2s; }
.leaf.l4 { left: 92%; --dur: 21s; --d: 10s; }

@keyframes firefly-twinkle {
    0%, 100% { opacity: 0.25; }
    50%      { opacity: 1; box-shadow: 0 0 16px 3px rgba(250, 204, 21, 0.9); }
}
@keyframes firefly-drift {
    0%, 100% { transform: translate(0, 0); }
    25%      { transform: translate(25px, -18px); }
    50%      { transform: translate(-12px, -32px); }
    75%      { transform: translate(18px, -10px); }
}
@keyframes leaf-drift {
    0%   { transform: translate(0, -6vh) rotate(0deg);  opacity: 0; }
    8%   { opacity: 0.7; }
    92%  { opacity: 0.5; }
    100% { transform: translate(110px, 112vh) rotate(720deg); opacity: 0; }
}

.theme-toggle {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    font-size: 1.15rem;
    line-height: 1;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10;
    transition: transform 0.25s ease, background 0.2s ease;
}
.theme-toggle:hover {
    transform: rotate(15deg) scale(1.08);
    background: rgba(255, 255, 255, 0.8);
}
[data-theme="dark"] .theme-toggle {
    background: rgba(24, 41, 34, 0.6);
    border-color: rgba(212, 168, 70, 0.35);
    color: #fde68a;
}
[data-theme="dark"] .theme-toggle:hover {
    background: rgba(40, 65, 52, 0.9);
}

.login-box {
    position: relative;
    z-index: 2;
    width: min(380px, 92vw);
    margin: 0;
    padding: 2.3rem 2.1rem 1.9rem;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 18px;
    box-shadow:
        0 24px 60px -20px rgba(40, 80, 55, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(20px) saturate(120%);
    -webkit-backdrop-filter: blur(20px) saturate(120%);
    animation: login-rise 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}
[data-theme="dark"] .login-box {
    background: rgba(26, 43, 34, 0.62);
    border-color: rgba(212, 168, 70, 0.22);
    box-shadow:
        0 30px 80px -20px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(212, 168, 70, 0.08);
}
@keyframes login-rise {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-brand {
    text-align: center;
    margin-bottom: 1.6rem;
}
.login-brand-icon {
    font-size: 3.2rem;
    line-height: 1;
    filter: drop-shadow(0 4px 8px rgba(60, 110, 75, 0.3));
    animation: login-bob 4s ease-in-out infinite;
}
@keyframes login-bob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-4px) rotate(-3deg); }
}
.login-box h2 {
    margin: 0.4rem 0 0.1rem;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text);
    text-transform: none;
}
.login-tag {
    margin: 0;
    font-size: 0.84rem;
    color: var(--muted);
    font-style: italic;
    letter-spacing: 0.02em;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}
.login-box label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.88rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}
.login-box input {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.98rem;
    background: rgba(255, 255, 255, 0.65);
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.login-box input:focus {
    outline: none;
    border-color: #5b9566;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(91, 149, 102, 0.22);
}
[data-theme="dark"] .login-box input {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text);
}
[data-theme="dark"] .login-box input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: #d4a846;
    box-shadow: 0 0 0 3px rgba(212, 168, 70, 0.25);
}

.login-box .btn-primary {
    margin-top: 0.5rem;
    padding: 0.7rem 1rem;
    font-size: 0.98rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, #4f46e5 0%, #6c63ff 100%);
    border: none;
    color: #fff;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    transition: transform 0.15s ease, box-shadow 0.25s ease;
}
.login-box .btn-primary:hover {
    transform: translateY(-1px) scale(1.02);
    box-shadow:
        0 6px 22px rgba(79, 70, 229, 0.5),
        0 0 28px rgba(250, 204, 21, 0.35);
}
.login-box .btn-primary:active {
    transform: translateY(0) scale(0.99);
}

.login-box .error {
    margin: 0 0 0.2rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
    color: var(--danger);
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    animation: error-shake 0.45s ease, error-fade 0.3s ease;
}
[data-theme="dark"] .login-box .error {
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(248, 113, 113, 0.4);
    color: #fca5a5;
}
@keyframes error-shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}
@keyframes error-fade {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-footer {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    color: rgba(30, 60, 40, 0.55);
    z-index: 2;
    pointer-events: auto;
}
.login-footer span { margin: 0 0.35rem; }
[data-theme="dark"] .login-footer {
    color: rgba(212, 168, 70, 0.55);
}

.error { color: var(--danger); font-size: 0.9rem; margin: 0; }

@media (prefers-reduced-motion: reduce) {
    .firefly, .leaf, .login-brand-icon, .login-box {
        animation: none !important;
    }
    .firefly { opacity: 0.5; }
}

/* ── Modal (channel picker) ── */

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal[hidden] { display: none; }
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
}
.modal-panel {
    position: relative;
    background: var(--surface);
    border-radius: 10px;
    width: min(520px, 100%);
    max-height: calc(100vh - 2rem);
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    margin: 0;
    font-size: 1rem;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text);
}
.modal-body {
    padding: 1rem 1.25rem;
    overflow-y: auto;
    flex: 1;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
}

.picker-search {
    width: 100%;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}
.picker-search:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.picker-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.picker-list li label {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.6rem;
    align-items: baseline;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
}
.picker-list li label:hover { background: var(--bg); }
.picker-list input { grid-row: span 2; align-self: center; }
.picker-name { font-weight: 500; }
.picker-sub { grid-column: 2; font-size: 0.8rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ── Modal form padding (per-row action modals on users page) ── */

.modal-form {
    padding: 1rem 1.25rem 1.1rem;
}
.modal-inline-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "topbar"
            "main";
    }
    .nav-toggle { display: inline-flex; }
    .sidebar {
        position: fixed;
        top: var(--topbar-h);
        left: 0;
        width: min(260px, 80vw);
        height: calc(100vh - var(--topbar-h));
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        z-index: 16;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
    }
    .sidebar.open { transform: translateX(0); }

    .main { padding: 1rem; }
    .card { padding: 1rem; }
    .user-name { display: none; }
    .hero h2 { font-size: 1.2rem; }

    .data-table { font-size: 0.88rem; }
    .data-table th, .data-table td { padding: 0.5rem 0.4rem; }
    .actions { flex-direction: column; align-items: stretch; gap: 0.3rem; }

    .field-row { flex-wrap: wrap; }
    .field-row input { flex: 1 1 100%; }
    .field-row .btn { flex: 0 0 auto; }
}