/* ==========================================================================
   my2n UI. Shared by every page (login, resident QR page, admin app, console).
   Components follow the UI kit (Roboto, blue accent, outlined inputs with floating
   labels); the kit's fixed colours are variables here so dark mode can swap them.
   ========================================================================== */

/* ---------- 1. Reset & variables ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
input, select, textarea, button { font-family: inherit; color: inherit; font-size: inherit; }
img, svg { display: block; }
[hidden] { display: none !important; }

:root {
    color-scheme: light;
    --bg: #f5f5f5;
    --surface: #ffffff;
    --border: rgba(224, 224, 224, 1);
    --border-input: #9e9e9e;
    --text: #000000de;
    --text-muted: #7a7a8a;

    --accent: #55E5BC;
    --accent-dark-rgb: 0, 118, 222;
    --accent-dark: rgb(var(--accent-dark-rgb));
    --accent-dark-hover: #00529d;
    --accent-light: #f0fdf9;
    --on-accent: #ffffff;

    --danger-rgb: 211, 47, 47;
    --danger: rgb(var(--danger-rgb));
    --danger-hover: #b71c1c;
    --danger-light: #fdf3f2;
    --success-rgb: 16, 185, 129;
    --success: #0b8a60;
    --success-light: #ecfdf5;
    --warning-rgb: 237, 108, 2;
    --warning: #b45309;
    --warning-light: #fff7ed;
    --info-light: rgba(var(--accent-dark-rgb), 0.06);

    --bg-hover: rgba(0, 0, 0, 0.04);
    --bg-selected: rgba(var(--accent-dark-rgb), 0.08);
    --overlay-bg: rgba(0, 0, 0, 0.5);
    --disabled-text: rgba(0, 0, 0, 0.26);
    --disabled-bg: rgba(0, 0, 0, 0.12);
    --input-disabled-bg: rgba(0, 0, 0, 0.05);
    --chip-bg: #ebebeb;
    --code-bg: rgba(0, 0, 0, 0.05);

    --skeleton-bg: #eeeeee;
    --skeleton-shimmer: #f5f5f5;
    --icon-bg-inactive: #f1f1f1;
    --icon-active: #10b981;
    --icon-inactive: #94a3b8;

    --font-sans: 'Roboto', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'DM Mono', ui-monospace, Menlo, Consolas, monospace;

    --shadow-dialog: 0px 11px 15px -7px rgba(0,0,0,0.2), 0px 24px 38px 3px rgba(0,0,0,0.14), 0px 9px 46px 8px rgba(0,0,0,0.12);
    --shadow-menu: 0 5px 5px -3px rgba(0,0,0,0.2), 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12);
    --shadow-toggle: 0 1px 3px rgba(0,0,0,0.2), 0 2px 2px rgba(0,0,0,0.14), 0 0 2px rgba(0,0,0,0.12);
    --shadow-button: 0 2px 8px rgba(31,45,82,0.25);
    --shadow-button-hover: 0 4px 14px rgba(31,45,82,0.3);

    --radius-sm: 4px;
    --radius-md: 6px;

    --transition-fast: 0.15s;
    --transition-normal: 0.2s;
    --transition-ease: ease-in-out;

    --appbar-height: 56px;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0f1115;
    --surface: #171a21;
    --border: rgba(255, 255, 255, 0.12);
    --border-input: rgba(255, 255, 255, 0.35);
    --text: rgba(255, 255, 255, 0.9);
    --text-muted: #9a9aaa;

    --accent-dark-rgb: 92, 160, 255;
    --accent-dark-hover: #8bbcff;
    --accent-light: rgba(16, 185, 129, 0.14);
    --on-accent: #0b1220;

    --danger-rgb: 244, 112, 103;
    --danger-hover: #ff9a92;
    --danger-light: rgba(244, 112, 103, 0.12);
    --success: #4ade80;
    --success-light: rgba(74, 222, 128, 0.1);
    --warning: #fbbf24;
    --warning-light: rgba(251, 191, 36, 0.1);

    --bg-hover: rgba(255, 255, 255, 0.06);
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --disabled-text: rgba(255, 255, 255, 0.3);
    --disabled-bg: rgba(255, 255, 255, 0.12);
    --input-disabled-bg: rgba(255, 255, 255, 0.04);
    --chip-bg: rgba(255, 255, 255, 0.12);
    --code-bg: rgba(255, 255, 255, 0.08);

    --skeleton-bg: #22262f;
    --skeleton-shimmer: #2c313c;
    --icon-bg-inactive: rgba(255, 255, 255, 0.08);
    --icon-active: #34d399;

    --shadow-button: none;
    --shadow-button-hover: none;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.45;
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--font-mono); font-size: 0.85em; }
code { background: var(--code-bg); padding: 0.05em 0.3em; border-radius: 3px; word-break: break-word; }
strong { font-weight: 600; }

/* ---------- 2. Text & layout helpers ---------- */
.muted { color: var(--text-muted); }
.small { font-size: 0.8125rem; }
.caption { font-size: 0.75rem; color: var(--text-muted); }
.danger-text { color: var(--danger); }
.warning-text { color: var(--warning); }
.nowrap { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.break { word-break: break-all; }
.grow { flex: 1; min-width: 0; }

.stack { display: flex; flex-direction: column; gap: 1rem; }
.stack-sm { display: flex; flex-direction: column; gap: 0.5rem; }
.row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.row-sm { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.row.nowrap-row, .row-sm.nowrap-row { flex-wrap: nowrap; }
.spread { justify-content: space-between; }
.end { justify-content: flex-end; }

h1, .h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
h2, .h2 { font-size: 1.05rem; font-weight: 700; }
h3, .h3 { font-size: 0.9375rem; font-weight: 600; }
.subsection-label {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--text-muted);
}

.page-head { display: flex; align-items: center; gap: 0.75rem 1rem; flex-wrap: wrap; }
.page-head > .grow { min-width: 200px; }
.page-head .sub { color: var(--text-muted); font-size: 0.875rem; margin-top: 2px; }

/* ---------- 3. Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1.5;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), transform 0.1s;
    border: none;
    text-decoration: none !important;
    white-space: nowrap;
    flex-shrink: 0;
}
.btn svg { flex-shrink: 0; }
.btn:active { transform: translateY(1px); }

.btn-secondary {
    background: transparent;
    border: 1.5px solid rgba(var(--accent-dark-rgb), 0.5);
    color: var(--accent-dark);
    padding: calc(0.5rem - 1.5px) calc(1rem - 1.5px);
}
.btn-secondary:hover { background: rgba(var(--accent-dark-rgb), 0.04); border-color: var(--accent-dark); }

.btn-primary {
    background: var(--accent-dark);
    color: var(--on-accent);
    box-shadow: var(--shadow-button);
}
.btn-primary:hover { background: var(--accent-dark-hover); box-shadow: var(--shadow-button-hover); }

.btn-text { background: transparent; color: var(--accent-dark); padding: 0.5rem 0.75rem; }
.btn-text:hover { background: rgba(var(--accent-dark-rgb), 0.06); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-secondary.danger { color: var(--danger); border-color: rgba(var(--danger-rgb), 0.5); }
.btn-secondary.danger:hover { background: rgba(var(--danger-rgb), 0.05); border-color: var(--danger); }

.btn-sm { font-size: 0.8125rem; padding: 0.3rem 0.65rem; }
.btn-secondary.btn-sm { padding: calc(0.3rem - 1.5px) calc(0.65rem - 1.5px); }
.btn-lg { font-size: 0.95rem; padding: 0.7rem 1.25rem; }
.btn-block { width: 100%; }

.btn:disabled, .btn.disabled {
    color: var(--disabled-text);
    box-shadow: none;
    background-color: var(--disabled-bg);
    border-color: transparent;
    pointer-events: none;
}
.btn-text:disabled { background: transparent; }

.btn-fab { display: inline-flex; align-items: center; gap: 8px; }

/* round icon-only button (the kit's delete-btn) */
.icon-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background var(--transition-fast) var(--transition-ease), color var(--transition-fast) var(--transition-ease);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn.accent { color: var(--accent-dark); }
.icon-btn.accent:hover { background: rgba(var(--accent-dark-rgb), 0.06); }
.icon-btn:disabled { color: var(--disabled-text); pointer-events: none; }

.spinner {
    width: 18px; height: 18px; border-radius: 50%;
    border: 2px solid currentColor; border-right-color: transparent;
    animation: spin 0.7s linear infinite; display: inline-block;
}
.spinner.lg { width: 32px; height: 32px; border-width: 3px; color: var(--accent-dark); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 4. Card ---------- */
.card {
    background: var(--surface);
    border-radius: var(--radius-sm);
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--border);
}
.card-body { padding: 1.25rem; }
.card-body > h2 + *, .card-body > .h2 + * { margin-top: 0.75rem; }
.card-head {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
}
.card-filter {
    padding: 1rem;
    min-height: 50px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
}
.card-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.card.selection-bar {
    position: sticky; top: calc(var(--appbar-height) + 8px); z-index: 5;
    border-color: var(--accent-dark);
    padding: 0.5rem 0.5rem 0.5rem 1rem;
    display: flex; align-items: center; gap: 0.75rem; overflow: visible;
}

/* ---------- 5. List items (the kit's company rows) ---------- */
.list { list-style: none; }
.list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--border);
    color: inherit;
    transition: background var(--transition-fast) var(--transition-ease);
}
.list-item:last-child { border-bottom: none; }
a.list-item, .list-item.clickable { cursor: pointer; text-decoration: none; }
a.list-item:hover, .list-item.clickable:hover { background-color: var(--bg-hover); }
.list-item.selected { background-color: var(--bg-selected); }
.list-item.compact { padding: 0.6rem 1rem; }

.list-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    color: var(--icon-active);
}
.list-icon.inactive { background: var(--icon-bg-inactive); color: var(--icon-inactive); }
.list-icon.avatar { background: var(--accent-dark); color: var(--on-accent); font-weight: 600; font-size: 0.95rem; }

.list-info { flex: 1; min-width: 0; }
.list-title {
    font-weight: 600;
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.list-title .muted { font-weight: 400; }
.list-sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}
.list-text { font-size: 0.8125rem; color: var(--text-muted); margin-top: 2px; }
.list-item .chips { margin-top: 6px; }
.list-item .chevron { color: var(--text-muted); flex-shrink: 0; }

.empty-state {
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.empty-state svg { margin: 0 auto 0.75rem; opacity: 0.3; }

/* ---------- 6. Chips & badges ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 100%;
    background: var(--chip-bg);
    color: var(--text);
    border: 1px solid transparent;
    border-radius: 99px;
    padding: 2px 10px;
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.4;
    white-space: nowrap;
}
.chip > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip.outlined { background: transparent; border-color: var(--border-input); color: var(--text-muted); }
.chip.success { background: transparent; border-color: rgba(var(--success-rgb), 0.6); color: var(--success); }
.chip.warning { background: transparent; border-color: rgba(var(--warning-rgb), 0.6); color: var(--warning); }
.chip.danger { background: var(--danger); color: #fff; }
.chip.accent { background: transparent; border-color: rgba(var(--accent-dark-rgb), 0.6); color: var(--accent-dark); }

/* removable chips inside the multi-select */
.chip.removable { padding: 4px 6px 4px 12px; font-size: 0.8125rem; line-height: 1.3; }
.chip button {
    flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; border: none; padding: 0; border-radius: 50%;
    background: none; color: var(--disabled-text); cursor: pointer;
}
.chip button:hover { color: var(--text-muted); }

/* ---------- 7. Alerts ---------- */
.alert {
    display: flex; gap: 0.75rem; align-items: flex-start;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    border: 1px solid transparent;
}
.alert > svg { flex-shrink: 0; margin-top: 1px; }
.alert .alert-body { flex: 1; min-width: 0; }
.alert .alert-action { flex-shrink: 0; margin: -0.3rem -0.4rem -0.3rem 0; }
.alert.error { background: var(--danger-light); color: var(--danger); border-color: rgba(var(--danger-rgb), 0.25); }
.alert.success { background: var(--success-light); color: var(--success); border-color: rgba(var(--success-rgb), 0.3); }
.alert.warning { background: var(--warning-light); color: var(--warning); border-color: rgba(var(--warning-rgb), 0.3); }
.alert.info { background: var(--info-light); color: var(--accent-dark); border-color: rgba(var(--accent-dark-rgb), 0.2); }
.alert .alert-body strong { color: inherit; }

/* ---------- 8. Form inputs & floating labels ---------- */
.outlined-input { position: relative; width: 100%; display: flex; flex-direction: column; }

.outlined-input input,
.outlined-input select,
.outlined-input textarea {
    width: 100%;
    height: 56px;
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-sm);
    background-color: var(--surface);
    padding: 0 1rem;
    font-size: 1rem;
    transition: border-color var(--transition-fast) var(--transition-ease), box-shadow var(--transition-fast) var(--transition-ease);
    outline: none;
    appearance: none;
}
.outlined-input textarea { height: auto; min-height: 96px; padding: 1rem; resize: vertical; }
.outlined-input input[type="search"]::-webkit-search-cancel-button { cursor: pointer; }

.outlined-input select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='20' width='20' fill='%237a7a8a' viewBox='0 -960 960 960'%3E%3Cpath d='M480-360 280-560h400L480-360Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}
.outlined-input select option { background: var(--surface); color: var(--text); }

.outlined-input label {
    position: absolute;
    top: 28px;
    left: 1rem;
    transform: translateY(-50%);
    background-color: var(--surface);
    color: var(--text-muted);
    padding: 0 4px;
    transition: all var(--transition-normal) var(--transition-ease);
    font-size: 1rem;
    pointer-events: none;
    white-space: nowrap;
    max-width: calc(100% - 2rem);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* A select always shows its chosen option, so its label floats, except a required select
   that is still empty (its placeholder option is disabled and hidden). */
.outlined-input input:focus ~ label,
.outlined-input input:not(:placeholder-shown) ~ label,
.outlined-input textarea:focus ~ label,
.outlined-input textarea:not(:placeholder-shown) ~ label,
.outlined-input select ~ label,
.outlined-input.filled label {
    top: 0; left: 0.75rem; font-size: 0.75rem; font-weight: 500; transform: translateY(-50%);
}
.outlined-input select:required:invalid ~ label {
    top: 28px; left: 1rem; font-size: 1rem; font-weight: 400;
}
.outlined-input select:required:invalid:focus ~ label {
    top: 0; left: 0.75rem; font-size: 0.75rem; font-weight: 500;
}

.outlined-input input:hover, .outlined-input select:hover, .outlined-input textarea:hover { border-color: var(--text-muted); }
.outlined-input input:focus, .outlined-input select:focus, .outlined-input textarea:focus { border-color: var(--accent-dark); outline: 1px solid var(--accent-dark); }
.outlined-input input:focus ~ label, .outlined-input select:focus ~ label, .outlined-input textarea:focus ~ label { color: var(--accent-dark); }

.outlined-input input:disabled, .outlined-input select:disabled, .outlined-input textarea:disabled {
    background-color: var(--input-disabled-bg);
    border-color: var(--disabled-bg);
    color: var(--disabled-text);
    cursor: not-allowed;
}
.outlined-input input:disabled ~ label, .outlined-input select:disabled ~ label {
    color: var(--disabled-text);
    background-color: transparent;
}
.outlined-input input:disabled:not(:placeholder-shown) ~ label { background: linear-gradient(var(--surface) 50%, transparent 50%); }

.outlined-input .field-help { font-size: 0.75rem; color: var(--text-muted); margin: 4px 14px 0; }
.outlined-input .field-help.error { color: var(--danger); }

/* compact variant for toolbars and dense forms */
.outlined-input.dense input, .outlined-input.dense select { height: 40px; font-size: 0.9375rem; }
.outlined-input.dense label { top: 20px; font-size: 0.9375rem; }
.outlined-input.dense input:focus ~ label,
.outlined-input.dense input:not(:placeholder-shown) ~ label,
.outlined-input.dense select ~ label { top: 0; font-size: 0.7rem; }

/* leading icon (search boxes) */
.outlined-input.with-icon > svg {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); pointer-events: none;
}
.outlined-input.with-icon input { padding-left: 2.5rem; }
.outlined-input.with-icon.dense > svg { top: 20px; }

.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; width: 100%; }
.form-stack { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.form-row > .outlined-input { flex: 1 1 200px; width: auto; }

/* clearable select */
.outlined-input.clearable select { padding-right: 4.75rem; }
.select-clear-btn {
    position: absolute; top: 28px; right: 2.5rem; transform: translateY(-50%);
    width: 22px; height: 22px; display: none; align-items: center; justify-content: center;
    background: none; border: none; padding: 0; border-radius: 50%;
    color: var(--text-muted); cursor: pointer;
}
.select-clear-btn:hover { background: var(--bg-hover); color: var(--text); }
.outlined-input select:valid ~ .select-clear-btn { display: flex; }
.outlined-input select:disabled ~ .select-clear-btn { display: none !important; }

/* ---------- 9. Multi-select chips / autocomplete ---------- */
.chip-select { position: relative; width: 100%; }
.chip-select-field {
    position: relative;
    min-height: 56px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-sm);
    background-color: var(--surface);
    padding: 0.6rem 4.75rem 0.6rem 1rem;
    cursor: pointer;
    transition: border-color var(--transition-fast) var(--transition-ease);
}
.chip-select.dense .chip-select-field { min-height: 40px; padding-top: 0.3rem; padding-bottom: 0.3rem; }
.chip-select-field:hover { border-color: var(--text-muted); }
.chip-select-field.open, .chip-select-field:focus-within { border-color: var(--accent-dark); outline: 1px solid var(--accent-dark); }
.chip-select-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.chip-select-search {
    flex: 1 1 60px; min-width: 60px; height: 22px;
    border: none; outline: none; background: transparent; padding: 0;
    font-size: 1rem; color: var(--text); cursor: text;
}
.chip-select-label {
    position: absolute; top: 50%; left: 1rem; transform: translateY(-50%);
    background-color: var(--surface); color: var(--text-muted);
    padding: 0 4px; font-size: 1rem; pointer-events: none; white-space: nowrap;
    transition: all var(--transition-normal) var(--transition-ease);
}
.chip-select-field.has-value .chip-select-label,
.chip-select-field.open .chip-select-label,
.chip-select-field:focus-within .chip-select-label {
    top: 0; left: 0.75rem; font-size: 0.75rem; font-weight: 500; transform: translateY(-50%);
}
.chip-select-field.open .chip-select-label { color: var(--accent-dark); }
.chip-select-actions {
    position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
    display: flex; align-items: center; gap: 4px;
}
.chip-select-clear {
    display: none; align-items: center; justify-content: center;
    width: 22px; height: 22px; background: none; border: none; padding: 0;
    border-radius: 50%; color: var(--text-muted); cursor: pointer;
}
.chip-select-clear:hover { background: var(--bg-hover); color: var(--text); }
.chip-select-field.has-value .chip-select-clear { display: flex; }
.chip-select-chevron { flex-shrink: 0; color: var(--text-muted); transition: transform var(--transition-normal) var(--transition-ease); }
.chip-select-field.open .chip-select-chevron { transform: rotate(180deg); }
.chip-select-panel {
    display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0;
    max-height: 240px; overflow-y: auto;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-menu); z-index: 20;
}
.chip-select-panel.open { display: block; }
.chip-option {
    display: flex; align-items: center; gap: 0.65rem;
    padding: 0.6rem 1rem; font-size: 0.9rem; cursor: pointer;
}
.chip-option:hover, .chip-option.active { background: var(--bg-hover); }
.chip-option input { width: 16px; height: 16px; accent-color: var(--accent-dark); cursor: pointer; }
.chip-select-empty { padding: 0.6rem 1rem; font-size: 0.85rem; color: var(--text-muted); }

/* ---------- 10. Checkbox & toggle ---------- */
.checkbox {
    display: inline-flex; align-items: center; gap: 0.6rem;
    cursor: pointer; font-size: 0.9375rem; padding: 0.35rem 0; user-select: none;
}
.checkbox input, input.checkbox-input {
    width: 18px; height: 18px; accent-color: var(--accent-dark); cursor: pointer; flex-shrink: 0;
}
.check-cell { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; flex-shrink: 0; margin: -6px 0; }

.switch-row { display: flex; align-items: center; justify-content: flex-start; gap: 0.75rem; padding: 0.5rem 0; cursor: pointer; }
.switch-label { font-size: 1rem; font-weight: 400; }
.toggle { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
    position: absolute; inset: 3px 0;
    background: var(--disabled-text);
    border-radius: 99px; cursor: pointer;
    transition: background var(--transition-normal);
}
.toggle-thumb {
    position: absolute; top: 0; left: 0; width: 20px; height: 20px;
    background: #fff; border-radius: 50%; box-shadow: var(--shadow-toggle);
    transition: transform var(--transition-normal), background var(--transition-normal);
    pointer-events: none;
}
.toggle input:checked + .toggle-track { background: var(--accent-dark); opacity: 0.5; }
.toggle input:checked ~ .toggle-thumb { background: var(--accent-dark); transform: translateX(16px); }
.toggle input:focus-visible ~ .toggle-thumb { outline: 2px solid var(--accent-dark); outline-offset: 2px; }

/* ---------- 11. Segmented buttons (language switch) ---------- */
.segmented { display: inline-flex; border: 1px solid var(--border-input); border-radius: var(--radius-sm); overflow: hidden; }
.segmented button {
    background: none; border: none; padding: 0.3rem 0.7rem; font-size: 0.8125rem; font-weight: 600;
    color: var(--text-muted); cursor: pointer;
}
.segmented button + button { border-left: 1px solid var(--border-input); }
.segmented button[aria-pressed="true"] { background: rgba(var(--accent-dark-rgb), 0.1); color: var(--accent-dark); }

/* ---------- 12. Tabs & breadcrumbs ---------- */
.tabs {
    display: flex; gap: 0; border-bottom: 1px solid var(--border);
    overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
    background: none; border: none; border-bottom: 2px solid transparent;
    padding: 0.7rem 1rem; font-weight: 600; font-size: 0.875rem;
    color: var(--text-muted); cursor: pointer; white-space: nowrap;
    text-decoration: none !important; margin-bottom: -1px;
}
.tab:hover { color: var(--text); background: var(--bg-hover); }
.tab[aria-selected="true"] { color: var(--accent-dark); border-bottom-color: var(--accent-dark); }
.tabs.small .tab { padding: 0.5rem 0.85rem; font-size: 0.8125rem; }

.breadcrumbs { display: flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; color: var(--text-muted); min-width: 0; }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs .sep { opacity: 0.6; }
.breadcrumbs .current { color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- 13. Dropdown menu ---------- */
.menu {
    position: fixed; z-index: 120;
    min-width: 200px; max-width: min(320px, calc(100vw - 16px));
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-menu); padding: 6px 0;
    animation: menuIn 0.12s var(--transition-ease) both;
}
@keyframes menuIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.menu-item {
    display: flex; align-items: center; gap: 0.85rem; width: 100%;
    padding: 0.55rem 1rem; background: none; border: none; text-align: left;
    font-size: 0.9rem; color: var(--text); cursor: pointer; text-decoration: none !important;
}
.menu-item:hover, .menu-item:focus-visible { background: var(--bg-hover); outline: none; }
.menu-item svg { color: var(--text-muted); flex-shrink: 0; }
.menu-item.danger, .menu-item.danger svg { color: var(--danger); }
.menu-item:disabled { color: var(--disabled-text); pointer-events: none; }
.menu-item:disabled svg { color: var(--disabled-text); }
.menu-item .menu-check { margin-left: auto; color: var(--accent-dark); }
.menu-item .menu-sub { display: block; font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }
.menu-divider { height: 1px; background: var(--border); margin: 6px 0; }
.menu-header { padding: 0.5rem 1rem 0.6rem; }

/* ---------- 14. Dialog & overlay ---------- */
.dialog-overlay {
    position: fixed; inset: 0; background: var(--overlay-bg); z-index: 100;
    display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.dialog {
    background: var(--surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-dialog);
    max-width: 600px;
    width: calc(100% - 32px);
    max-height: calc(100dvh - 64px);
    display: flex; flex-direction: column;
    animation: dialogIn 0.15s var(--transition-ease) both;
}
.dialog.xs { max-width: 420px; }
.dialog.md { max-width: 860px; }
.dialog form { display: contents; }
.dialog-header { padding: 1.5rem 1.5rem 1rem; font-weight: 600; font-size: 1.0625rem; }
.dialog-body { padding: 8px 24px 8px; display: flex; flex-direction: column; gap: 1.25rem; overflow-y: auto; }
.dialog-body.dividers { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; }
.dialog-body p { color: var(--text-muted); white-space: pre-line; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 0.75rem; padding: 1rem 1.5rem 1.25rem; flex-wrap: wrap; }
@keyframes dialogIn {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
@media (max-width: 599px) {
    .dialog-overlay.fullscreen-phone { padding: 0; }
    .dialog-overlay.fullscreen-phone .dialog { width: 100%; max-width: none; height: 100dvh; max-height: none; border-radius: 0; }
    .dialog-overlay.fullscreen-phone .dialog-body { flex: 1; }
}

/* ---------- 15. Toast ---------- */
.toast-host {
    position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); transform: translateX(-50%);
    z-index: 200; display: flex; flex-direction: column; gap: 8px; width: min(560px, calc(100vw - 24px));
    pointer-events: none;
}
@media (max-width: 599px) { .toast-host { top: calc(8px + env(safe-area-inset-top)); bottom: auto; } }
.toast {
    pointer-events: auto;
    display: flex; align-items: flex-start; gap: 0.75rem;
    padding: 0.75rem 0.75rem 0.75rem 1rem; border-radius: var(--radius-sm);
    color: #fff; box-shadow: var(--shadow-menu); font-size: 0.875rem;
    animation: dialogIn 0.15s var(--transition-ease) both;
}
.toast.success { background: #2e7d32; }
.toast.error { background: #c62828; }
.toast.info { background: #1f2937; }
.toast .toast-body { flex: 1; padding-top: 2px; }
.toast button { background: none; border: none; color: inherit; opacity: 0.8; cursor: pointer; padding: 2px; border-radius: 50%; }
.toast button:hover { opacity: 1; background: rgba(255,255,255,0.15); }

/* ---------- 16. Progress & skeleton ---------- */
.progress { height: 4px; background: rgba(var(--accent-dark-rgb), 0.2); border-radius: 2px; overflow: hidden; position: relative; }
.progress::after {
    content: ""; position: absolute; top: 0; bottom: 0; left: -40%; width: 40%;
    background: var(--accent-dark); animation: progress 1.1s ease-in-out infinite;
}
.progress.determinate::after { animation: none; left: 0; width: var(--value, 0%); transition: width 0.2s; }
@keyframes progress { to { left: 100%; } }

.skeleton {
    background: linear-gradient(90deg, var(--skeleton-bg) 25%, var(--skeleton-shimmer) 50%, var(--skeleton-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
    border-radius: var(--radius-md);
    height: 14px;
}
.skeleton-row { display: flex; gap: 1rem; align-items: center; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
.skeleton-row:last-child { border-bottom: none; }
.skeleton-avatar { width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0; }
.skeleton-text-container { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.skeleton-title { width: 55%; }
.skeleton-subtitle { width: 30%; height: 11px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- 17. App shell ---------- */
.appbar {
    position: sticky; top: 0; z-index: 50;
    height: var(--appbar-height);
    background: var(--surface); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 0.25rem;
    padding: 0 0.5rem 0 1rem;
    padding-top: env(safe-area-inset-top);
}
.appbar .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); flex: 1; text-decoration: none !important; display: flex; align-items: center; gap: 0.5rem; }
.appbar .brand svg { color: var(--accent-dark); }
.appbar .avatar-btn { padding: 4px; }
.avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent-dark); color: var(--on-accent);
    display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.9rem;
}
.container {
    max-width: 1150px; margin: 0 auto;
    padding: 1.5rem 1.5rem calc(2rem + env(safe-area-inset-bottom));
}
@media (max-width: 599px) {
    .container { padding: 1rem 0.75rem calc(1.5rem + env(safe-area-inset-bottom)); }
    .list-item { padding: 0.75rem 1rem; gap: 0.75rem; }
    .card-body { padding: 1rem; }
    h1, .h1 { font-size: 1.3rem; }
    .hide-phone { display: none !important; }
    .page-head > .outlined-input, .page-head > form { width: 100% !important; }
}
@media (min-width: 600px) { .show-phone { display: none !important; } }

/* centred single-card pages (login, resident) */
.center-page { min-height: 100dvh; display: grid; place-items: center; padding: 1rem; }
.center-card { width: 100%; max-width: 420px; }
.center-card .card-body { padding: 2rem; }
@media (max-width: 599px) { .center-card .card-body { padding: 1.5rem 1.25rem; } }

.divider-text { display: flex; align-items: center; gap: 0.75rem; color: var(--text-muted); font-size: 0.8125rem; }
.divider-text::before, .divider-text::after { content: ""; flex: 1; height: 1px; background: var(--border); }
hr.divider { border: none; height: 1px; background: var(--border); }

pre.log {
    background: var(--code-bg); border-radius: var(--radius-sm); padding: 0.75rem;
    font-family: var(--font-mono); font-size: 0.75rem; white-space: pre-wrap; word-break: break-word;
}

.loading-block { display: grid; place-items: center; gap: 0.75rem; padding: 3rem 1rem; color: var(--text-muted); }