/* ============================================================
   República — CSS puro (sem Bootstrap)
   ============================================================ */

/* ---------- Variáveis ---------- */
:root {
    --primary: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary: #6c757d;
    --secondary-hover: #5c636a;
    --success: #198754;
    --success-hover: #157347;
    --danger: #dc3545;
    --danger-hover: #bb2d3b;
    --warning: #ffc107;
    --warning-hover: #ffca2c;
    --info: #0dcaf0;
    --info-hover: #31d2f2;
    --dark: #212529;
    --light: #f8f9fa;
    --body-bg: #f0f2f5;
    --card-bg: #ffffff;
    --text: #212529;
    --text-muted: #6c757d;
    --border: #dee2e6;
    --radius: 0.5rem;
    --radius-sm: 0.375rem;
    --sidebar-width: 250px;
    --sidebar-bg: #212529;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --gap: 1rem;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "Noto Sans", sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--body-bg);
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 0.5rem; font-weight: 600; line-height: 1.2; }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p { margin: 0 0 1rem; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; }

img { max-width: 100%; height: auto; }
small { font-size: 0.875em; }
strong { font-weight: 700; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- Tipografia / texto ---------- */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-white { color: #fff; }
.text-success { color: var(--success); }
.text-warning { color: #997404; }
.text-danger { color: var(--danger); }
.fw-bold { font-weight: 700; }

/* ---------- Display ---------- */
.d-none { display: none !important; }
.d-block { display: block; }
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow-1 { flex-grow: 1; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

/* ---------- Largura / altura ---------- */
.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* ---------- Espaçamentos ---------- */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.ms-2 { margin-left: 0.5rem; }
.ms-auto { margin-left: auto; }

/* ---------- Grid responsivo ---------- */
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gap);
}
.row.g-3 { gap: 1rem; }
.row.g-4 { gap: 1.5rem; }

.col-12 { grid-column: span 12; }
.col-sm-6 { grid-column: span 6; }
.col-md-3 { grid-column: span 3; }
.col-md-4 { grid-column: span 4; }
.col-md-6 { grid-column: span 6; }
.col-lg-4 { grid-column: span 4; }

@media (max-width: 767.98px) {
    .col-12,
    .col-sm-6,
    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col-lg-4 { grid-column: span 12; }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    .col-sm-6 { grid-column: span 6; }
}

@media (min-width: 768px) {
    .col-md-3 { grid-column: span 3; }
    .col-md-4 { grid-column: span 4; }
    .col-md-6 { grid-column: span 6; }
    .col-lg-4 { grid-column: span 4; }
}

/* ---------- Cards ---------- */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease-in-out;
}
.card-body { padding: 1.25rem; }
.card-title { margin-bottom: 0.75rem; }
.card-text { margin-bottom: 0.5rem; }
.card-header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background-color: var(--light);
}
.card-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
    background-color: var(--light);
}
.card.border-success { border-color: var(--success); }
.card.border-warning { border-color: var(--warning); }
.card.border-danger { border-color: var(--danger); }
.card.bg-success-soft { background-color: rgba(25, 135, 84, 0.1); }
.card.bg-warning-soft { background-color: rgba(255, 193, 7, 0.1); }
.card.bg-danger-soft { background-color: rgba(220, 53, 69, 0.1); }
.shadow { box-shadow: var(--shadow); }
.rounded { border-radius: var(--radius); }

/* ---------- Botões ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text);
    background-color: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

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

.btn-secondary { color: #fff; background-color: var(--secondary); border-color: var(--secondary); }
.btn-secondary:hover { color: #fff; background-color: var(--secondary-hover); border-color: var(--secondary-hover); }

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

.btn-danger { color: #fff; background-color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { color: #fff; background-color: var(--danger-hover); border-color: var(--danger-hover); }

.btn-warning { color: #000; background-color: var(--warning); border-color: var(--warning); }
.btn-warning:hover { color: #000; background-color: var(--warning-hover); border-color: var(--warning-hover); }

.btn-info { color: #000; background-color: var(--info); border-color: var(--info); }
.btn-info:hover { color: #000; background-color: var(--info-hover); border-color: var(--info-hover); }

.btn-outline-primary {
    color: var(--primary); background-color: transparent; border-color: var(--primary);
}
.btn-outline-primary:hover { color: #fff; background-color: var(--primary); border-color: var(--primary); }

.btn-outline-secondary {
    color: var(--secondary); background-color: transparent; border-color: var(--secondary);
}
.btn-outline-secondary:hover { color: #fff; background-color: var(--secondary); border-color: var(--secondary); }

.btn-outline-light { color: #fff; background-color: transparent; border-color: #fff; }
.btn-outline-light:hover { color: #000; background-color: #fff; border-color: #fff; }

.btn-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.btn-group .btn { border-radius: var(--radius-sm); }
.btn-toggle {
    display: none;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border);
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
}
.btn-close {
    background: transparent;
    border: 0;
    color: #000;
    opacity: 0.6;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
}
.btn-close:hover { opacity: 1; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-sm);
}
.badge-success { background-color: var(--success); }
.badge-warning { background-color: var(--warning); color: #000; }
.badge-danger { background-color: var(--danger); }
.badge-muted { background-color: var(--secondary); }
.badge-info { background-color: var(--info); color: #000; }

/* ---------- Alertas ---------- */
.alert {
    position: relative;
    padding: 0.75rem 2.25rem 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
}
.alert-dismissible .btn-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
}
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-warning { color: #664d03; background-color: #fff3cd; border-color: #ffecb5; }
.alert-danger  { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert-info    { color: #055160; background-color: #cff4fc; border-color: #b6effb; }
.alert-error   { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }

/* ---------- Formulários ---------- */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: inline-block;
    margin-bottom: 0.375rem;
    font-weight: 500;
}
.form-text {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.req { color: var(--danger); }
.form-group .req { margin-left: 0.125rem; }

.form-group .form-control,
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group select,
.form-group textarea,
.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    color: var(--text);
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
}
.form-group .form-control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}
.form-group textarea { resize: vertical; min-height: 5rem; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 0.85rem;
    padding-right: 2rem;
    cursor: pointer;
    min-height: 2.4rem;
}
select.form-control:hover {
    border-color: var(--primary);
}
select.form-control option {
    color: var(--text);
    background: #fff;
}

.form-check { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.form-check input[type="checkbox"] { width: 1.1rem; height: 1.1rem; cursor: pointer; }
.form-check label { margin: 0; cursor: pointer; }

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea { border-color: var(--danger); }
.invalid-feedback {
    display: block;
    margin-top: 0.25rem;
    color: var(--danger);
    font-size: 0.875rem;
}

/* Django non-field errors */
.non-field-errors {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    border-radius: var(--radius-sm);
    color: #842029;
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    padding: 1rem 0;
    z-index: 1050;
    background-color: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease;
}
.sidebar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar-brand:hover { color: #fff; text-decoration: none; }
.sidebar-nav { flex-grow: 1; }
.nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.nav-link:hover,
.nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}
.nav-link-dropdown { cursor: pointer; }
.subnav .nav-link { padding-left: 2.75rem; font-size: 0.9rem; }
.collapse { display: none; }
.collapse.show { display: block; }

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.sidebar-footer .user-info {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ---------- Conteúdo principal ---------- */
.main-content {
    padding: 2rem 4rem;
    transition: margin-left 0.25s ease;
    min-height: 100vh;
}
@media (min-width: 768px) {
    body.has-sidebar .main-content { margin-left: var(--sidebar-width); }
}
@media (max-width: 767.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 1rem; }
    .btn-toggle {
        display: inline-flex;
        position: fixed;
        top: 0.5rem;
        right: 0.5rem;
        z-index: 1100;
    }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin: 0 0 1rem;
    list-style: none;
    gap: 0.25rem;
}
.breadcrumb li { color: var(--text-muted); }
.breadcrumb li + li::before {
    content: "/";
    margin: 0 0.5rem;
    color: var(--text-muted);
}
.breadcrumb li.active { color: var(--text); }

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal.show { display: flex; }
.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
}
.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: calc(100vh - 2rem);
    overflow: auto;
}
.modal-content {
    background-color: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.modal-title { margin: 0; font-size: 1.25rem; }
.modal-body { padding: 1.25rem; }
.modal-body.text-center { text-align: center; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* ---------- Display numérico (dashboard síndico) ---------- */
.display-4 { font-size: 2.5rem; font-weight: 300; line-height: 1; margin: 0.5rem 0; }
.counter-card .display-4 { font-size: clamp(0.875rem, 3vw, 2.5rem); }
.counter-card .card-text { font-size: clamp(0.6rem, 1.2vw, 1rem); }
.card.text-bg-primary { background-color: var(--primary); color: #fff; border-color: var(--primary); }
.card.text-bg-danger { background-color: var(--danger); color: #fff; border-color: var(--danger); }
.card.text-bg-success { background-color: var(--success); color: #fff; border-color: var(--success); }
.card.text-bg-primary .card-title,
.card.text-bg-danger .card-title,
.card.text-bg-success .card-title { color: rgba(255, 255, 255, 0.9); }

/* ---------- Ícones SVG ---------- */
.icon {
    width: 1.1em;
    height: 1.1em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
    vertical-align: middle;
}
.sidebar .icon { width: 1.25rem; height: 1.25rem; }

/* ---------- Regras (markdown) ---------- */
.regras-content img { max-width: 100%; height: auto; }
.regras-content h1,
.regras-content h2,
.regras-content h3 { margin-top: 1.5rem; }
.regras-content p { margin-bottom: 1rem; }
.regras-content ul,
.regras-content ol { margin: 0 0 1rem; padding-left: 2rem; list-style: revert; }
.regras-content li { margin-bottom: 0.25rem; }
.regras-content code {
    background-color: #e9ecef;
    padding: 0.15em 0.35em;
    border-radius: 0.25rem;
    font-family: "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.9em;
}
.regras-content blockquote {
    border-left: 4px solid var(--border);
    padding: 0.5rem 1rem;
    margin: 0 0 1rem;
    color: var(--text-muted);
}
.regras-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}
.regras-content th,
.regras-content td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

/* ---------- Editor de Textos ---------- */
.texto-editor-layout {
    display: flex;
    gap: 0;
    margin: -2rem -4rem;
    height: calc(100vh - 0px);
}
@media (max-width: 767.98px) {
    .texto-editor-layout {
        flex-direction: column;
        margin: -1rem;
        height: auto;
    }
}

.texto-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--card-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.texto-sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.texto-sidebar-header h4 {
    margin: 0;
    font-size: 1rem;
}
.texto-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
}
.texto-list-item {
    padding: 0.6rem 1rem;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background-color 0.15s ease;
    font-size: 0.9rem;
}
.texto-list-item:hover {
    background-color: var(--light);
}
.texto-list-item.active {
    background-color: rgba(13, 110, 253, 0.08);
    border-left-color: var(--primary);
    font-weight: 600;
}

.texto-editor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.texto-editor-toolbar {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.texto-editor-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.texto-editor-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.texto-editor-wrapper {
    flex: 1;
    overflow: hidden;
}
.texto-editor-wrapper .CodeMirror {
    height: 100%;
    font-size: 0.9rem;
    font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (max-width: 767.98px) {
    .texto-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        max-height: 200px;
    }
    .texto-editor-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .texto-editor-info {
        flex-direction: column;
    }
    .texto-editor-info .form-control {
        width: 100% !important;
    }
}

/* ---------- Imagem fluida ---------- */
.img-fluid { max-width: 100%; height: auto; }

/* ---------- Display responsivo (faturas) ---------- */
.faturas-cards-view { display: block; }
.faturas-table-view { display: none; }
.faturas-cards-view .card { overflow: visible; }
@media (min-width: 992px) {
    .faturas-cards-view { display: none; }
    .faturas-table-view { display: block; }
}

/* ---------- Tabela de faturas ---------- */
.table-faturas {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.table-faturas th {
    background-color: var(--dark);
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 1rem;
    text-align: left;
    white-space: nowrap;
}
.table-faturas td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table-faturas tbody tr.row-user-a {
    background-color: var(--card-bg);
}
.table-faturas tbody tr.row-user-b {
    background-color: #f0f0f0;
}
.table-faturas tbody tr:hover {
    background-color: var(--light);
}
.table-faturas tbody tr:last-child td {
    border-bottom: none;
}
.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.4em;
    vertical-align: middle;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-left: 0.3em solid transparent;
}
.dropdown-menu {
    display: none;
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    z-index: 1000;
    min-width: 140px;
    padding: 0.375rem 0;
}
.dropdown-menu.show {
    display: block;
}
.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.4rem 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.875rem;
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
}
.dropdown-item:hover {
    background-color: var(--light);
}
.dropdown-item-danger {
    color: var(--danger);
}
.dropdown-item-danger:hover {
    background-color: #f8d7da;
}
.dropdown-divider {
    height: 1px;
    margin: 0.375rem 0;
    background-color: var(--border);
}
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown.dropup .dropdown-menu {
    top: auto;
    bottom: 100%;
    margin-bottom: 0.25rem;
}

/* ---------- Placeholder PIX ---------- */
.qrcode-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

/* ---------- Spinner ---------- */
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}