/* ============================================================
   Centralized Barangay Management System — Component Library
   Phase 3 premium visual + motion layer.
   Depends on tokens.css. No framework, no utility soup —
   every class is purpose-named and uses tokens.
   ============================================================ */

/* ------------------------------------------------------------
   1. Typography
   ------------------------------------------------------------ */

h1, h2, h3, h4 {
    font-family: var(--ff-ui);
    color: var(--c-ink-900);
    margin: 0;
    letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-700); line-height: var(--lh-700); font-weight: 700; }
h2 { font-size: var(--fs-600); line-height: var(--lh-600); font-weight: 700; }
h3 { font-size: var(--fs-500); line-height: var(--lh-500); font-weight: 600; }
h4 { font-size: var(--fs-400); line-height: var(--lh-400); font-weight: 600; }

.eyebrow {
    font-size: var(--fs-100);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-ink-500);
    font-weight: 700;
}

.muted   { color: var(--c-ink-500); }
.subtle  { color: var(--c-ink-700); }
.numeric { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------
   2. App shell — sidebar + topbar + main
   ------------------------------------------------------------ */

.shell {
    display: grid;
    grid-template-columns: var(--layout-sidebar) 1fr;
    grid-template-rows: var(--layout-topbar) 1fr;
    grid-template-areas:
        "brand  topbar"
        "side   main";
    min-height: 100dvh;
}

.shell__brand {
    grid-area: brand;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 0 var(--sp-5);
    background: var(--c-primary-900);
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.shell__brand-seal {
    width: 36px; height: 36px;
    border-radius: var(--r-pill);
    background:
        radial-gradient(circle at 30% 30%,
            var(--c-accent-400) 0%,
            var(--c-accent-600) 55%,
            var(--c-primary-900) 100%);
    border: 2px solid var(--c-accent-500);
    box-shadow: inset 0 0 0 2px var(--c-primary-900);
    flex: 0 0 auto;
}

.shell__brand-text {
    display: flex; flex-direction: column; line-height: 1.1;
}
.shell__brand-text strong { font-size: var(--fs-200); letter-spacing: 0.01em; }
.shell__brand-text span   { font-size: var(--fs-100); opacity: 0.75; letter-spacing: 0.04em; }

.shell__topbar {
    grid-area: topbar;
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: 0 var(--sp-6);
    background: var(--c-surface-0);
    border-bottom: 1px solid var(--c-line);
}

.shell__side {
    grid-area: side;
    background: var(--c-primary-900);
    color: #cfd8e3;
    padding: var(--sp-4) var(--sp-3) var(--sp-6);
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,0.04);
}

.shell__main {
    grid-area: main;
    background: var(--c-surface-1);
    padding: var(--sp-7) var(--sp-6) var(--sp-9);
    overflow-x: hidden;
}

.shell__container {
    max-width: var(--layout-container);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

@media (max-width: 960px) {
    .shell {
        grid-template-columns: 1fr;
        grid-template-rows: var(--layout-topbar) auto 1fr;
        grid-template-areas:
            "topbar"
            "side"
            "main";
    }
    .shell__brand { display: none; }
    .shell__side  { padding: var(--sp-3) var(--sp-3); }
    .shell__main  { padding: var(--sp-5) var(--sp-4) var(--sp-8); }
}

/* ------------------------------------------------------------
   3. Sidebar navigation
   ------------------------------------------------------------ */

.nav-group { display: flex; flex-direction: column; gap: var(--sp-1); }
.nav-group + .nav-group { margin-top: var(--sp-5); }

.nav-group__label {
    padding: 0 var(--sp-3);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--sp-2);
    font-weight: 700;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--r-btn);
    color: #dce3ec;
    font-size: var(--fs-200);
    font-weight: 500;
    text-decoration: none;
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-standard);
    position: relative;
}

.nav-link:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    text-decoration: none;
}

.nav-link[aria-current="page"] {
    background: var(--c-primary-700);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--c-accent-500);
}

.nav-link__icon {
    width: 20px; height: 20px; flex: 0 0 auto;
    color: currentColor;
    opacity: 0.85;
}

.nav-link__badge {
    margin-left: auto;
    background: var(--c-accent-500);
    color: var(--c-primary-900);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--r-pill);
    font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------
   4. Topbar — search, theme toggle, user chip
   ------------------------------------------------------------ */

.topbar__search {
    flex: 1 1 380px;
    max-width: 520px;
    position: relative;
}
.topbar__search input {
    width: 100%;
    height: 40px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-btn);
    padding: 0 var(--sp-4) 0 var(--sp-8);
    background: var(--c-surface-1);
    color: var(--c-ink-900);
    font-family: inherit;
    font-size: var(--fs-200);
    transition: border-color var(--motion-fast) var(--ease-standard),
                box-shadow var(--motion-fast) var(--ease-standard);
}
.topbar__search input::placeholder { color: var(--c-ink-500); }
.topbar__search input:focus {
    outline: none;
    border-color: var(--c-primary-500);
    box-shadow: var(--focus-ring);
}
.topbar__search::before {
    content: "";
    position: absolute;
    left: var(--sp-3); top: 50%; transform: translateY(-50%);
    width: 18px; height: 18px;
    background: currentColor;
    color: var(--c-ink-500);
    -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.3-4.3'/></svg>") center/contain no-repeat;
            mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.3-4.3'/></svg>") center/contain no-repeat;
}

.topbar__spacer { flex: 1; }

.topbar__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.icon-btn {
    width: 40px; height: 40px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-btn);
    background: var(--c-surface-0);
    color: var(--c-ink-700);
    cursor: pointer;
    display: grid; place-items: center;
    transition: background var(--motion-fast) var(--ease-standard),
                border-color var(--motion-fast) var(--ease-standard),
                color var(--motion-fast) var(--ease-standard),
                transform var(--motion-fast) var(--ease-standard);
}
.icon-btn:hover { background: var(--c-surface-2); color: var(--c-ink-900); }
.icon-btn:active { transform: scale(0.96); }
.icon-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.user-chip {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 4px var(--sp-3) 4px 4px;
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-pill);
    cursor: pointer;
    transition: background var(--motion-fast) var(--ease-standard),
                border-color var(--motion-fast) var(--ease-standard);
}
.user-chip:hover { background: var(--c-surface-2); }
.user-chip__avatar {
    width: 32px; height: 32px;
    border-radius: var(--r-pill);
    background: var(--c-primary-500);
    color: #fff;
    display: grid; place-items: center;
    font-weight: 700;
    font-size: var(--fs-200);
}
.user-chip__name  { font-size: var(--fs-200); color: var(--c-ink-900); font-weight: 600; line-height: 1.1; }
.user-chip__role  { font-size: var(--fs-100); color: var(--c-ink-500); line-height: 1.1; }

/* ------------------------------------------------------------
   5. Page header + breadcrumbs
   ------------------------------------------------------------ */

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-4);
    flex-wrap: wrap;
}
.page-head__title h1 { margin-bottom: var(--sp-1); }
.page-head__title p  { margin: 0; color: var(--c-ink-700); max-width: 62ch; }
.page-head__actions { display: flex; gap: var(--sp-3); align-items: center; flex-wrap: wrap; }

.crumbs {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-100);
    color: var(--c-ink-500);
    margin-bottom: var(--sp-3);
}
.crumbs a { color: var(--c-ink-500); }
.crumbs a:hover { color: var(--c-primary-700); }
.crumbs__sep { color: var(--c-line); }

/* ------------------------------------------------------------
   6. Cards
   ------------------------------------------------------------ */

.card {
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    box-shadow: var(--sh-card);
}
.card__head {
    padding: var(--sp-5) var(--sp-6);
    border-bottom: 1px solid var(--c-line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-4);
}
.card__head h3 { font-size: var(--fs-400); font-weight: 600; }
.card__body   { padding: var(--sp-5) var(--sp-6); }
.card__foot   { padding: var(--sp-4) var(--sp-6); border-top: 1px solid var(--c-line); background: var(--c-surface-1); border-radius: 0 0 var(--r-card) var(--r-card); }

/* Stat card */
.stat {
    padding: var(--sp-5) var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    position: relative;
    overflow: hidden;
}
.stat::after {
    content: "";
    position: absolute;
    inset: auto -40px -40px auto;
    width: 120px; height: 120px;
    background: radial-gradient(circle, var(--c-primary-500) 0%, transparent 70%);
    opacity: 0.06;
    pointer-events: none;
}
.stat__label {
    font-size: var(--fs-100);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--c-ink-500);
    font-weight: 700;
}
.stat__value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--c-ink-900);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
}
.stat__delta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-100);
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--r-pill);
    width: fit-content;
}
.stat__delta--up   { background: var(--c-success-50); color: var(--c-success-500); }
.stat__delta--down { background: var(--c-danger-50);  color: var(--c-danger-500); }
.stat__icon {
    position: absolute;
    top: var(--sp-5); right: var(--sp-6);
    width: 40px; height: 40px;
    border-radius: var(--r-btn);
    background: var(--c-primary-50);
    color: var(--c-primary-700);
    display: grid; place-items: center;
}
[data-theme="dark"] .stat__icon { background: rgba(31,106,174,0.15); color: var(--c-primary-300); }

.stat--accent .stat__icon  { background: #fbefcf; color: var(--c-accent-600); }
.stat--success .stat__icon { background: var(--c-success-50); color: var(--c-success-500); }
.stat--warning .stat__icon { background: var(--c-warning-50); color: var(--c-warning-500); }

/* ------------------------------------------------------------
   7. Grids — stat grid, content grid
   ------------------------------------------------------------ */

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--sp-4);
}
.grid-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--sp-4);
}
.grid-1-1 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}
@media (max-width: 960px) {
    .grid-2-1, .grid-1-1 { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------
   8. Buttons
   ------------------------------------------------------------ */

.btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--r-btn);
    padding: 0 var(--sp-4);
    height: 40px;
    font-family: inherit;
    font-size: var(--fs-200);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    transition:
        background var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-standard),
        box-shadow var(--motion-fast) var(--ease-standard);
    white-space: nowrap;
    text-decoration: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:active { transform: translateY(1px); }
.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55; cursor: not-allowed; transform: none !important;
}

.btn--primary {
    background: var(--c-primary-700);
    color: #fff;
}
.btn--primary:hover { background: var(--c-primary-900); text-decoration: none; }

.btn--accent {
    background: var(--c-accent-500);
    color: var(--c-primary-900);
}
.btn--accent:hover { background: var(--c-accent-400); text-decoration: none; }

.btn--secondary {
    background: var(--c-surface-0);
    color: var(--c-ink-900);
    border-color: var(--c-line);
}
.btn--secondary:hover { background: var(--c-surface-2); text-decoration: none; }

.btn--ghost {
    background: transparent; color: var(--c-ink-700);
}
.btn--ghost:hover { background: var(--c-surface-2); color: var(--c-ink-900); text-decoration: none; }

.btn--danger {
    background: var(--c-danger-500); color: #fff;
}
.btn--danger:hover { background: #8d1b12; }
.btn--danger:focus-visible { box-shadow: var(--focus-ring-danger); }

.btn--sm { height: 32px; padding: 0 var(--sp-3); font-size: var(--fs-100); }
.btn--lg { height: 48px; padding: 0 var(--sp-5); font-size: var(--fs-300); }

.btn-group { display: inline-flex; border: 1px solid var(--c-line); border-radius: var(--r-btn); overflow: hidden; background: var(--c-surface-0); }
.btn-group .btn { border-radius: 0; border: none; background: transparent; color: var(--c-ink-700); height: 36px; }
.btn-group .btn[aria-pressed="true"] { background: var(--c-primary-700); color: #fff; }
.btn-group .btn + .btn { border-left: 1px solid var(--c-line); }

/* ------------------------------------------------------------
   9. Badges / chips / status pills
   ------------------------------------------------------------ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: var(--r-pill);
    font-size: var(--fs-100);
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.6;
}
.badge--neutral { background: var(--c-surface-2); color: var(--c-ink-700); }
.badge--info    { background: var(--c-primary-50); color: var(--c-primary-700); }
.badge--success { background: var(--c-success-50); color: var(--c-success-500); }
.badge--warning { background: var(--c-warning-50); color: var(--c-warning-500); }
.badge--danger  { background: var(--c-danger-50);  color: var(--c-danger-500); }
.badge--dot::before {
    content: ""; width: 6px; height: 6px; border-radius: var(--r-pill); background: currentColor;
}
[data-theme="dark"] .badge--info    { background: rgba(31,106,174,0.18); color: var(--c-primary-300); }
[data-theme="dark"] .badge--success { background: rgba(6,118,71,0.2); color: #4FBF89; }
[data-theme="dark"] .badge--warning { background: rgba(181,71,8,0.2); color: #F29A4C; }
[data-theme="dark"] .badge--danger  { background: rgba(180,35,24,0.2); color: #E56B60; }

/* ------------------------------------------------------------
   10. Forms
   ------------------------------------------------------------ */

.field { display: flex; flex-direction: column; gap: 6px; }
.field > label {
    font-size: var(--fs-200);
    font-weight: 600;
    color: var(--c-ink-900);
}
.field__hint  { font-size: var(--fs-100); color: var(--c-ink-500); }
.field__error { font-size: var(--fs-100); color: var(--c-danger-500); font-weight: 600; }
.field__req   { color: var(--c-danger-500); margin-left: 2px; }

.input, .select, .textarea {
    height: 40px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-input);
    padding: 0 var(--sp-3);
    background: var(--c-surface-0);
    color: var(--c-ink-900);
    font: inherit;
    font-size: var(--fs-200);
    transition: border-color var(--motion-fast) var(--ease-standard),
                box-shadow var(--motion-fast) var(--ease-standard),
                background var(--motion-fast) var(--ease-standard);
    width: 100%;
}
.textarea { height: auto; padding: var(--sp-3); min-height: 88px; resize: vertical; line-height: var(--lh-300); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--c-ink-400); }
.input:focus, .select:focus, .textarea:focus {
    outline: none;
    border-color: var(--c-primary-500);
    box-shadow: var(--focus-ring);
}
.input::placeholder, .textarea::placeholder { color: var(--c-ink-500); }

.input--error { border-color: var(--c-danger-500); }
.input--error:focus { box-shadow: var(--focus-ring-danger); }

.select { appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364707D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px;
}

.checkbox {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    font-size: var(--fs-200);
    cursor: pointer;
}
.checkbox input { accent-color: var(--c-primary-700); width: 16px; height: 16px; }

/* ------------------------------------------------------------
   11. Filter bar
   ------------------------------------------------------------ */

.filter-bar {
    display: flex; flex-wrap: wrap; gap: var(--sp-3);
    padding: var(--sp-4) var(--sp-5);
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    align-items: center;
}
.filter-bar__search { flex: 1 1 280px; position: relative; }
.filter-bar__search input { padding-left: 36px; }
.filter-bar__search::before {
    content: ""; position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; background: var(--c-ink-500);
    -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.3-4.3'/></svg>") center/contain no-repeat;
            mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='11' cy='11' r='7'/><path d='m21 21-4.3-4.3'/></svg>") center/contain no-repeat;
}

.filter-bar__spacer { flex: 1; }

.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 10px 5px 12px;
    border: 1px dashed var(--c-line);
    border-radius: var(--r-pill);
    font-size: var(--fs-100);
    font-weight: 600;
    color: var(--c-ink-700);
    background: var(--c-surface-1);
    cursor: pointer;
    transition: border-color var(--motion-fast) var(--ease-standard),
                background var(--motion-fast) var(--ease-standard),
                color var(--motion-fast) var(--ease-standard);
}
.chip:hover { border-color: var(--c-primary-500); color: var(--c-primary-700); }
.chip--active {
    border-style: solid;
    background: var(--c-primary-50);
    color: var(--c-primary-700);
    border-color: var(--c-primary-300);
}
.chip__x {
    display: grid; place-items: center;
    width: 16px; height: 16px;
    border-radius: var(--r-pill);
    background: var(--c-primary-700);
    color: #fff;
    font-size: 10px; line-height: 1;
}

/* ------------------------------------------------------------
   12. Tables
   ------------------------------------------------------------ */

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    overflow: hidden;
    font-size: var(--fs-200);
}
.data-table thead th {
    text-align: left;
    font-size: var(--fs-100);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--c-ink-500);
    background: var(--c-surface-1);
    padding: 10px var(--sp-4);
    font-weight: 700;
    border-bottom: 1px solid var(--c-line);
    position: sticky; top: 0; z-index: 1;
}
.data-table tbody td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--c-line);
    color: var(--c-ink-900);
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr {
    transition: background var(--motion-fast) var(--ease-standard);
}
.data-table tbody tr:hover {
    background: var(--c-surface-1);
}
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .actions {
    display: flex; gap: 4px; justify-content: flex-end;
}

.resident-cell {
    display: flex; align-items: center; gap: var(--sp-3);
}
.resident-cell__avatar {
    width: 34px; height: 34px;
    border-radius: var(--r-pill);
    background: var(--c-primary-100);
    color: var(--c-primary-700);
    display: grid; place-items: center;
    font-weight: 700;
    font-size: var(--fs-100);
    letter-spacing: 0.02em;
}
.resident-cell__meta { display: flex; flex-direction: column; line-height: 1.2; }
.resident-cell__name { font-weight: 600; color: var(--c-ink-900); }
.resident-cell__id   { font-size: var(--fs-100); color: var(--c-ink-500); }

/* Table pagination */
.pager {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-5);
    border-top: 1px solid var(--c-line);
    background: var(--c-surface-1);
    border-radius: 0 0 var(--r-card) var(--r-card);
    font-size: var(--fs-100);
    color: var(--c-ink-700);
}
.pager__pages { display: flex; gap: 4px; margin-left: auto; }
.pager__page {
    min-width: 30px; height: 30px; padding: 0 8px;
    display: inline-grid; place-items: center;
    border-radius: 6px;
    background: transparent; border: 1px solid transparent;
    color: var(--c-ink-700);
    cursor: pointer;
    font-variant-numeric: tabular-nums;
    transition: background var(--motion-fast) var(--ease-standard),
                border-color var(--motion-fast) var(--ease-standard);
}
.pager__page:hover { background: var(--c-surface-0); border-color: var(--c-line); }
.pager__page[aria-current="page"] {
    background: var(--c-primary-700); color: #fff; border-color: var(--c-primary-700);
}

/* ------------------------------------------------------------
   13. Grid view of residents (card grid)
   ------------------------------------------------------------ */

.resident-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-4);
}
.resident-card {
    padding: var(--sp-5);
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    box-shadow: var(--sh-card);
    transition: transform var(--motion-fast) var(--ease-standard),
                box-shadow var(--motion-ui) var(--ease-standard),
                border-color var(--motion-fast) var(--ease-standard);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.resident-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sh-elevated);
    border-color: var(--c-primary-300);
}
.resident-card__avatar {
    width: 52px; height: 52px;
    border-radius: var(--r-pill);
    background: var(--c-primary-100);
    color: var(--c-primary-700);
    display: grid; place-items: center;
    font-weight: 700;
    font-size: var(--fs-400);
}
.resident-card__meta { display: flex; flex-direction: column; gap: 2px; }
.resident-card__name { font-weight: 600; color: var(--c-ink-900); }
.resident-card__id   { font-size: var(--fs-100); color: var(--c-ink-500); font-variant-numeric: tabular-nums; }
.resident-card__tags { display: flex; flex-wrap: wrap; gap: 4px; }

/* ------------------------------------------------------------
   14. Alerts / flash / toasts
   ------------------------------------------------------------ */

.alert {
    display: flex;
    gap: var(--sp-3);
    padding: var(--sp-4) var(--sp-5);
    border-radius: var(--r-card);
    border: 1px solid;
    align-items: flex-start;
    font-size: var(--fs-200);
}
.alert__icon { flex: 0 0 20px; height: 20px; display: grid; place-items: center; }
.alert__body { flex: 1; }
.alert strong { display: block; margin-bottom: 2px; }

.alert--info    { background: var(--c-primary-50); border-color: var(--c-primary-300); color: var(--c-primary-900); }
.alert--success { background: var(--c-success-50); border-color: #9FD6B6; color: #054e2f; }
.alert--warning { background: var(--c-warning-50); border-color: #E6BE8A; color: #7a3405; }
.alert--danger  { background: var(--c-danger-50); border-color: #E6A89E; color: #7c1912; }

[data-theme="dark"] .alert--info    { background: rgba(31,106,174,0.18); border-color: rgba(111,166,210,0.4); color: #C8DCEF; }
[data-theme="dark"] .alert--success { background: rgba(6,118,71,0.18); border-color: rgba(79,191,137,0.4); color: #9FD6B6; }
[data-theme="dark"] .alert--warning { background: rgba(181,71,8,0.22); border-color: rgba(230,190,138,0.4); color: #E6BE8A; }
[data-theme="dark"] .alert--danger  { background: rgba(180,35,24,0.22); border-color: rgba(230,168,158,0.4); color: #E6A89E; }

/* ------------------------------------------------------------
   15. Charts — pure CSS bars
   ------------------------------------------------------------ */

.bars {
    display: grid;
    grid-template-columns: repeat(var(--bar-cols, 10), 1fr);
    align-items: end;
    gap: var(--sp-2);
    height: 220px;
    padding: var(--sp-3) 0;
    border-bottom: 1px solid var(--c-line);
    position: relative;
}
.bar {
    background: linear-gradient(180deg, var(--c-primary-300) 0%, var(--c-primary-700) 100%);
    border-radius: 6px 6px 0 0;
    min-height: 4px;
    transform-origin: bottom;
    animation: bar-grow var(--motion-medium) var(--ease-emphasized) both;
    position: relative;
}
@keyframes bar-grow { from { transform: scaleY(0.05); opacity: 0.2; } to { transform: scaleY(1); opacity: 1; } }
.bar--accent { background: linear-gradient(180deg, var(--c-accent-300) 0%, var(--c-accent-600) 100%); }
.bar:hover::after {
    content: attr(data-value);
    position: absolute;
    bottom: calc(100% + 4px); left: 50%; transform: translateX(-50%);
    background: var(--c-ink-900); color: #fff;
    font-size: var(--fs-100); font-weight: 600;
    padding: 2px 8px; border-radius: 4px;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.bar-axis {
    display: grid;
    grid-template-columns: repeat(var(--bar-cols, 10), 1fr);
    gap: var(--sp-2);
    padding-top: 6px;
    font-size: var(--fs-100);
    color: var(--c-ink-500);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* Horizontal bar (age demographics) */
.hbar-row { display: grid; grid-template-columns: 80px 1fr 48px; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-2); font-size: var(--fs-200); }
.hbar-row__label { color: var(--c-ink-700); font-weight: 500; }
.hbar-row__track { height: 10px; background: var(--c-surface-2); border-radius: var(--r-pill); overflow: hidden; }
.hbar-row__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--c-primary-500) 0%, var(--c-primary-700) 100%);
    border-radius: inherit;
    transform-origin: left;
    animation: hbar-grow var(--motion-medium) var(--ease-emphasized) both;
}
@keyframes hbar-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.hbar-row__val { text-align: right; font-variant-numeric: tabular-nums; color: var(--c-ink-900); font-weight: 600; }

/* Donut (pure SVG — fallback: block of stats) */
.legend {
    display: flex; flex-wrap: wrap; gap: var(--sp-3);
    font-size: var(--fs-100); color: var(--c-ink-700);
}
.legend__dot { width: 10px; height: 10px; border-radius: var(--r-pill); display: inline-block; margin-right: 6px; vertical-align: middle; }

/* ------------------------------------------------------------
   16. Empty state / skeleton
   ------------------------------------------------------------ */

.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-9) var(--sp-6);
    text-align: center;
    color: var(--c-ink-700);
}
.empty__illu {
    width: 96px; height: 96px;
    border-radius: 24px;
    background: var(--c-surface-1);
    border: 1px dashed var(--c-line);
    display: grid; place-items: center;
    color: var(--c-ink-400);
}
.empty h3 { font-size: var(--fs-400); }
.empty p { margin: 0; max-width: 44ch; }

.skeleton {
    background: linear-gradient(90deg, var(--c-surface-2) 0%, #eceae2 50%, var(--c-surface-2) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.4s linear infinite;
    border-radius: 6px;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ------------------------------------------------------------
   17. Modal / sheet
   ------------------------------------------------------------ */

.sheet-backdrop {
    position: fixed; inset: 0;
    background: rgba(15,47,82,0.55);
    backdrop-filter: blur(2px);
    display: grid; place-items: center;
    padding: var(--sp-5);
    animation: fade-in var(--motion-ui) var(--ease-standard) both;
    z-index: 40;
}
.sheet {
    background: var(--c-surface-0);
    border-radius: 14px;
    box-shadow: var(--sh-elevated);
    max-width: 520px; width: 100%;
    overflow: hidden;
    animation: sheet-in var(--motion-medium) var(--ease-emphasized) both;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes sheet-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------
   18. Login — split panel
   ------------------------------------------------------------ */

.auth {
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background: var(--c-surface-1);
}
@media (max-width: 860px) { .auth { grid-template-columns: 1fr; } }

.auth__brand {
    background:
        radial-gradient(circle at 20% 20%, rgba(212,160,23,0.18), transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(31,106,174,0.35), transparent 55%),
        linear-gradient(135deg, var(--c-primary-900) 0%, var(--c-primary-700) 100%);
    color: #fff;
    padding: var(--sp-9) var(--sp-8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth__brand::after {
    content: "";
    position: absolute;
    inset: auto -60px -80px auto;
    width: 280px; height: 280px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow:
        inset 0 0 0 40px rgba(255,255,255,0.02),
        inset 0 0 0 80px rgba(255,255,255,0.03);
    pointer-events: none;
}
.auth__seal {
    width: 56px; height: 56px;
    border-radius: var(--r-pill);
    background:
        radial-gradient(circle at 30% 30%,
            var(--c-accent-400) 0%,
            var(--c-accent-600) 55%,
            var(--c-primary-900) 100%);
    border: 2px solid var(--c-accent-500);
    box-shadow: inset 0 0 0 3px var(--c-primary-900);
    margin-bottom: var(--sp-6);
}
.auth__title { font-size: var(--fs-700); color: #fff; max-width: 18ch; letter-spacing: -0.01em; }
.auth__sub   { color: rgba(255,255,255,0.78); margin-top: var(--sp-3); max-width: 38ch; line-height: 1.55; }
.auth__foot {
    display: flex; gap: var(--sp-4);
    color: rgba(255,255,255,0.6);
    font-size: var(--fs-100);
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

.auth__form {
    display: flex; flex-direction: column; justify-content: center;
    padding: var(--sp-9) var(--sp-8);
}
.auth__form-inner {
    max-width: 380px; width: 100%; margin: 0 auto;
    display: flex; flex-direction: column; gap: var(--sp-5);
}
.auth__form h2 { font-size: var(--fs-600); line-height: var(--lh-600); }
.auth__form p  { margin: 0; color: var(--c-ink-700); }
.auth__fields  { display: flex; flex-direction: column; gap: var(--sp-4); }

/* ------------------------------------------------------------
   19. Public homepage hero
   ------------------------------------------------------------ */

.public-nav {
    position: sticky; top: 0; z-index: 20;
    display: flex; align-items: center; gap: var(--sp-4);
    padding: var(--sp-3) var(--sp-6);
    background: rgba(250,250,247,0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--c-line);
}
.public-nav__brand { display: flex; align-items: center; gap: var(--sp-3); text-decoration: none; }
.public-nav__brand strong { color: var(--c-primary-900); font-size: var(--fs-300); }
.public-nav__brand span   { font-size: var(--fs-100); color: var(--c-ink-500); display: block; }
.public-nav__links { display: flex; gap: var(--sp-5); margin-left: var(--sp-6); }
.public-nav__links a { color: var(--c-ink-700); font-weight: 500; font-size: var(--fs-200); }
.public-nav__links a:hover { color: var(--c-primary-700); text-decoration: none; }
.public-nav__cta { margin-left: auto; display: flex; gap: var(--sp-3); }

.hero {
    position: relative;
    padding: var(--sp-10) var(--sp-6);
    color: #fff;
    background:
        radial-gradient(ellipse at 80% 30%, rgba(212,160,23,0.22), transparent 45%),
        radial-gradient(circle at 15% 90%, rgba(111,166,210,0.25), transparent 55%),
        linear-gradient(135deg, var(--c-primary-900) 0%, var(--c-primary-700) 55%, #144d83 100%);
    overflow: hidden;
}
.hero__grid {
    max-width: var(--layout-container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--sp-8);
    align-items: center;
}
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; } }

.hero__eyebrow {
    display: inline-flex; align-items: center; gap: var(--sp-2);
    padding: 4px 12px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--r-pill);
    font-size: var(--fs-100);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 600;
}
.hero h1 {
    color: #fff;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    line-height: 1.05;
    margin: var(--sp-4) 0 var(--sp-4);
    letter-spacing: -0.015em;
    max-width: 22ch;
}
.hero p { color: rgba(255,255,255,0.82); max-width: 52ch; line-height: 1.6; font-size: var(--fs-400); margin: 0; }
.hero__ctas { display: flex; gap: var(--sp-3); margin-top: var(--sp-6); flex-wrap: wrap; }

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    padding: var(--sp-5);
    backdrop-filter: blur(6px);
}
.hero__stat   { display: flex; flex-direction: column; gap: 2px; }
.hero__stat b { font-size: var(--fs-600); font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.hero__stat span { font-size: var(--fs-100); color: rgba(255,255,255,0.7); letter-spacing: 0.04em; text-transform: uppercase; }

/* Section rhythm */
.section { padding: var(--sp-9) var(--sp-6); }
.section__head {
    max-width: var(--layout-container);
    margin: 0 auto var(--sp-6);
    display: flex; justify-content: space-between; align-items: flex-end; gap: var(--sp-4);
    flex-wrap: wrap;
}
.section__title { font-size: var(--fs-600); line-height: var(--lh-600); color: var(--c-primary-900); }
.section__sub   { color: var(--c-ink-700); margin-top: 4px; max-width: 56ch; }
.section__body  { max-width: var(--layout-container); margin: 0 auto; }

.announcement {
    padding: var(--sp-5);
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    display: flex; flex-direction: column; gap: var(--sp-3);
    transition: transform var(--motion-fast) var(--ease-standard),
                box-shadow var(--motion-ui) var(--ease-standard);
}
.announcement:hover { transform: translateY(-2px); box-shadow: var(--sh-elevated); }
.announcement__date {
    display: inline-flex; flex-direction: column; align-items: flex-start;
    background: var(--c-primary-50); color: var(--c-primary-700);
    padding: 6px 10px; border-radius: var(--r-btn);
    font-variant-numeric: tabular-nums; font-weight: 700;
    line-height: 1.1; font-size: var(--fs-100); width: fit-content;
}
.announcement__date b { font-size: var(--fs-400); }
.announcement h4 { color: var(--c-ink-900); }
.announcement p { margin: 0; color: var(--c-ink-700); }

.official-card {
    padding: var(--sp-5);
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
    display: flex; gap: var(--sp-4);
    align-items: center;
    transition: border-color var(--motion-fast) var(--ease-standard);
}
.official-card:hover { border-color: var(--c-primary-300); }
.official-card__seal {
    width: 56px; height: 56px;
    border-radius: var(--r-pill);
    background:
        radial-gradient(circle at 30% 30%,
            var(--c-accent-400) 0%,
            var(--c-accent-600) 55%,
            var(--c-primary-900) 100%);
    border: 2px solid var(--c-accent-500);
    box-shadow: inset 0 0 0 3px var(--c-primary-900);
    flex: 0 0 auto;
}
.official-card__meta b { color: var(--c-ink-900); font-size: var(--fs-300); }
.official-card__meta span { color: var(--c-ink-500); font-size: var(--fs-100); display: block; }

.contact-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--sp-4);
}
.contact {
    padding: var(--sp-4);
    background: var(--c-surface-0);
    border: 1px solid var(--c-line);
    border-radius: var(--r-card);
}
.contact b { color: var(--c-ink-900); }
.contact span { color: var(--c-ink-500); font-size: var(--fs-100); display: block; margin-bottom: 2px; }

/* Site footer */
.site-foot {
    padding: var(--sp-7) var(--sp-6);
    background: var(--c-primary-900); color: rgba(255,255,255,0.7);
    text-align: center; font-size: var(--fs-100); letter-spacing: 0.02em;
}

/* ------------------------------------------------------------
   20. Reveal on load
   ------------------------------------------------------------ */

.reveal {
    opacity: 0;
    transform: translateY(8px);
    animation: reveal var(--motion-medium) var(--ease-emphasized) both;
    animation-delay: var(--delay, 0ms);
}
@keyframes reveal { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
    .reveal, .bar, .hbar-row__fill, .sheet, .sheet-backdrop {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}