/* ========== Botones ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font-size: var(--fs-sm);
    font-weight: 600;
    line-height: 1.2;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn .icon {
    font-size: 1.1em;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--brand);
    color: var(--text-on-accent);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.22);
}

.btn-primary:hover {
    background: var(--brand-strong);
}

.btn-secondary {
    background: var(--surface-solid);
    border-color: var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
}

.btn-ghost {
    background: transparent;
    color: var(--text-dim);
}

.btn-ghost:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-soft);
}

.modal-footer .btn-danger {
    background: var(--danger);
    color: #fff;
}

.modal-footer .btn-danger:hover {
    background: var(--danger-strong);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
    font-size: 1rem;
}

.btn-icon:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.btn-icon.outlined {
    background: var(--surface-solid);
    border-color: var(--border);
}

.btn-icon.danger:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.btn-block {
    width: 100%;
}

/* Botón compacto para acciones dentro de una fila (ej. "Ya aparté"). */
.btn-sm {
    padding: 6px 10px;
    font-size: var(--fs-xs);
    gap: var(--sp-1);
}

/* ========== Inputs ========== */
.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field label {
    font-size: var(--fs-sm);
    color: var(--text-dim);
    font-weight: 500;
}

.input, select.input, textarea.input {
    width: 100%;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text);
    font-size: var(--fs-md);
    transition: border-color var(--transition), box-shadow var(--transition);
}

select.input {
    appearance: none;
    padding-right: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.input:hover {
    border-color: var(--border-strong);
}

.input:focus, select.input:focus, textarea.input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 4px var(--brand-soft);
}

.input::placeholder {
    color: var(--text-faint);
}

.field-hint {
    font-size: var(--fs-xs);
    color: var(--text-dim);
}

.field-error {
    font-size: var(--fs-xs);
    color: var(--danger);
}

.optional {
    font-weight: 400;
    color: var(--text-faint);
}

/* ========== Card genérica (glass) ========== */
.card {
    background: var(--surface);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    backdrop-filter: blur(14px) saturate(160%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: var(--sp-5);
}

/* ========== Títulos de sección ========== */
.section-title {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-4);
}

.section-title h2 {
    font-size: var(--fs-lg);
    font-weight: 600;
}

.section-title h3 {
    font-size: var(--fs-md);
    font-weight: 600;
}

.eyebrow {
    font-weight: 500;
    color: var(--text-dim);
    font-variant-caps: all-small-caps;
    letter-spacing: 0.06em;
    font-size: 0.875rem;
}

/* ========== Help tip ========== */
.help-btn {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-pill);
    background: var(--surface-solid);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: var(--fs-xs);
    font-weight: 700;
    padding: 0;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.help-btn:hover {
    background: var(--brand-soft);
    border-color: var(--brand);
    color: var(--brand);
}

.help-popover {
    position: fixed;
    max-width: 300px;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-modal);
    padding: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--text-dim);
    z-index: 160;
}

.help-popover strong {
    display: block;
    color: var(--text);
    margin-bottom: var(--sp-1);
    font-size: var(--fs-sm);
}

/* ========== Chips / tags ========== */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-sm);
    font-weight: 500;
    border: 1px solid var(--border);
    background: var(--surface-solid);
    color: var(--text);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.chip-sm {
    padding: 2px 8px;
    font-size: var(--fs-xs);
    gap: 6px;
}

.chip.selectable {
    cursor: pointer;
}

.chip.selectable:hover {
    border-color: var(--border-strong);
    background: var(--surface-hover);
}

.chip[aria-pressed="true"] {
    border-color: var(--brand);
    background: var(--brand-soft);
    box-shadow: 0 0 0 3px var(--brand-soft);
}

.chip-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-pill);
    flex-shrink: 0;
}

/* Pill de tag: "[• Comida | Necesidades]" */
.tag-pill {
    display: inline-flex;
    align-items: stretch;
    border-radius: var(--radius-pill);
    overflow: hidden;
    font-size: var(--fs-sm);
    font-weight: 500;
}

.tag-pill-name {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 6px 12px;
}

.tag-pill-bucket {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    color: var(--text-dim);
    border-left: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.55);
    font-size: var(--fs-xs);
}

/* Selector de tags dentro de un formulario: altura fija con scroll para que
   no empuje el resto del form hacia abajo cuando hay muchos tags. */
.tag-picker {
    max-height: 132px;
    overflow-y: auto;
    padding: var(--sp-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-sunken);
}

/* ========== Segmented control / tabs ========== */
.segmented {
    display: inline-flex;
    background: var(--surface-sunken);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
}

.segmented::-webkit-scrollbar {
    display: none;
}

.segmented button {
    border: none;
    background: transparent;
    color: var(--text-dim);
    padding: 7px 14px;
    border-radius: 8px;
    font-size: var(--fs-sm);
    font-weight: 600;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.segmented button:hover {
    color: var(--text);
}

.segmented button[aria-pressed="true"] {
    background: var(--surface-solid);
    color: var(--brand);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}

.modal .segmented {
    display: flex;
}

.modal .segmented button {
    flex: 1;
}

/* ========== Badge ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-income { background: var(--accent-soft); color: var(--accent); }
.badge-expense { background: var(--danger-soft); color: var(--danger); }
.badge-transfer { background: var(--violet-soft); color: var(--violet); }
.badge-debit { background: var(--accent-soft); color: var(--accent-strong); }
.badge-credit { background: var(--navy-soft); color: var(--navy); }
.badge-cash { background: var(--warning-soft); color: var(--warning); }
.badge-muted { background: var(--surface-sunken); color: var(--text-dim); }

/* ========== Toggle switch ========== */
.switch {
    position: relative;
    width: 40px;
    height: 24px;
    flex-shrink: 0;
    border: none;
    padding: 0;
    border-radius: var(--radius-pill);
    background: var(--border-strong);
    transition: background var(--transition);
}

.switch::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.25);
    transition: transform var(--transition);
}

.switch[aria-checked="true"] {
    background: var(--accent);
}

.switch[aria-checked="true"]::after {
    transform: translateX(16px);
}

/* ========== Status pill (Pagado / Pendiente) ========== */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: var(--fs-xs);
    font-weight: 600;
    border: 1px solid transparent;
    background: transparent;
    line-height: 1.4;
}

.status-pill.paid {
    background: var(--accent-soft);
    color: var(--accent-strong);
    border-color: rgba(5, 150, 105, 0.2);
}

.status-pill.pending {
    background: var(--surface-solid);
    color: var(--danger);
    border-color: rgba(225, 29, 72, 0.25);
    border-style: dashed;
    cursor: pointer;
    transition: background var(--transition);
}

.status-pill.pending:hover {
    background: var(--danger-soft);
}

.status-pill .status-unlink {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    margin-left: 2px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    opacity: 0.6;
}

.status-pill .status-unlink:hover {
    opacity: 1;
    background: rgba(5, 150, 105, 0.15);
}

/* ========== Barra de progreso ========== */
.progress {
    position: relative;
    height: 8px;
    border-radius: var(--radius-pill);
    background: var(--surface-sunken);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    transition: width 400ms ease;
}

.progress-range {
    position: absolute;
    top: 0;
    bottom: 0;
    background: repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.12) 0 3px, transparent 3px 6px);
    border-left: 2px solid rgba(15, 23, 42, 0.35);
    border-right: 2px solid rgba(15, 23, 42, 0.35);
}

/* ========== KPI tile ========== */
.kpi {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--sp-4) var(--sp-5);
    min-width: 0;
}

.kpi-head {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.kpi-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.kpi .label {
    font-size: var(--fs-sm);
    color: var(--text-dim);
    font-weight: 500;
}

.kpi .value {
    font-size: var(--fs-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kpi .sub {
    font-size: var(--fs-xs);
    color: var(--text-dim);
}

.tone-accent { background: var(--accent-soft); color: var(--accent); }
.tone-danger { background: var(--danger-soft); color: var(--danger); }
.tone-violet { background: var(--violet-soft); color: var(--violet); }
.tone-navy { background: var(--navy-soft); color: var(--navy); }
.tone-warning { background: var(--warning-soft); color: var(--warning); }
.tone-muted { background: var(--surface-sunken); color: var(--text-dim); }

.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-violet { color: var(--violet); }
.text-navy { color: var(--navy); }
.text-warning { color: var(--warning); }
.text-dim { color: var(--text-dim); }

/* Tabla de referencia de % recomendado por bolsa en Presupuesto */
.budget-reference-table {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: var(--sp-3);
}

.budget-reference-row {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius-sm);
}

.budget-reference-row:nth-child(odd) {
    background: var(--surface-sunken);
}

.budget-reference-label {
    flex: 1;
    font-weight: 500;
    font-size: var(--fs-sm);
}

.budget-reference-pct {
    font-size: var(--fs-sm);
    color: var(--text-dim);
    min-width: 64px;
    text-align: right;
}

.budget-reference-amount {
    font-weight: 600;
    font-size: var(--fs-sm);
    min-width: 100px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 480px) {
    .budget-reference-row {
        flex-wrap: wrap;
    }
    .budget-reference-pct,
    .budget-reference-amount {
        text-align: left;
        min-width: 0;
    }
}

/* ========== Simulador ========== */
.sim-month-card {
    padding: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.sim-month-label {
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--text-dim);
}

.sim-hero {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--sp-2) 0;
}

.sim-hero-amount {
    font-size: var(--fs-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sim-row {
    display: flex;
    justify-content: space-between;
    gap: var(--sp-2);
    font-size: var(--fs-sm);
    font-variant-numeric: tabular-nums;
}

.sim-row-total {
    margin-top: var(--sp-2);
    padding-top: var(--sp-2);
    border-top: 1px solid var(--border);
}

.sim-breakdown summary {
    cursor: pointer;
    color: var(--brand);
    font-size: var(--fs-xs);
    font-weight: 600;
    padding: var(--sp-1) 0;
    list-style: none;
}

.sim-breakdown summary::-webkit-details-marker {
    display: none;
}

.sim-breakdown summary::before {
    content: "▸ ";
}

.sim-breakdown[open] summary::before {
    content: "▾ ";
}

.sim-breakdown-body {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    padding-top: var(--sp-2);
}

/* ========== Modal (bottom sheet en móvil) ========== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
    z-index: 100;
    animation: fade-in 160ms ease;
}

.modal {
    width: 100%;
    max-width: 460px;
    max-height: 88vh;
    overflow-y: auto;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-modal);
    padding: var(--sp-5);
    animation: modal-in 200ms ease;
}

.modal-sm {
    max-width: 380px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-4);
    gap: var(--sp-3);
}

.modal-header h2 {
    font-size: var(--fs-lg);
    font-weight: 600;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.modal-body form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--sp-3);
    margin-top: var(--sp-5);
}

@media (max-width: 640px) {
    .modal-backdrop {
        align-items: flex-end;
        padding: 0;
    }
    .modal, .modal-sm {
        max-width: none;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 92vh;
        padding-bottom: calc(var(--sp-5) + env(safe-area-inset-bottom));
        animation: sheet-in 220ms ease;
    }
    .modal-footer .btn {
        flex: 1;
    }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: none; }
}

@keyframes sheet-in {
    from { transform: translateY(100%); }
    to { transform: none; }
}

/* ========== Toasts ========== */
.toast-root {
    position: fixed;
    top: var(--sp-4);
    right: var(--sp-4);
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    z-index: 200;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    min-width: 240px;
    max-width: 360px;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--fs-sm);
    font-weight: 500;
    box-shadow: var(--shadow-modal);
    animation: toast-in 180ms ease;
}

.toast .icon {
    font-size: 1.1rem;
    color: var(--accent);
}

.toast.error .icon {
    color: var(--danger);
}

@media (max-width: 640px) {
    .toast-root {
        left: var(--sp-4);
        right: var(--sp-4);
    }
    .toast {
        max-width: none;
    }
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== Color picker ========== */
.color-picker {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    flex-wrap: wrap;
}

.color-swatch {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-pill);
    border: 3px solid var(--surface-solid);
    box-shadow: 0 0 0 1px var(--border);
    cursor: pointer;
    flex-shrink: 0;
    transition: box-shadow var(--transition), transform var(--transition);
}

.color-swatch:hover {
    transform: scale(1.08);
}

.color-swatch[aria-pressed="true"] {
    box-shadow: 0 0 0 2px var(--text);
}

.color-picker input[type="color"] {
    width: 34px;
    height: 34px;
    padding: 0;
    border: none;
    border-radius: var(--radius-pill);
    background: none;
    cursor: pointer;
}

/* ========== Empty state ========== */
.empty-state {
    text-align: center;
    padding: var(--sp-7) var(--sp-4);
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.empty-state .icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--brand-soft);
    color: var(--brand);
    margin-bottom: var(--sp-4);
}

.empty-state p {
    margin-bottom: var(--sp-4);
    max-width: 380px;
}

.empty-state p:last-child {
    margin-bottom: 0;
}

/* ========== Gráfica de barras (resumen anual) ========== */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--sp-2);
    height: 180px;
    padding-top: var(--sp-4);
}

.bar-chart-month {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    height: 100%;
    min-width: 0;
}

.bar-chart-bars {
    flex: 1;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
}

.bar {
    width: 40%;
    max-width: 14px;
    min-height: 2px;
    border-radius: 4px 4px 0 0;
    transition: height 400ms ease;
}

.bar-income { background: var(--accent); }
.bar-expense { background: var(--danger); }

.bar-chart-label {
    font-size: var(--fs-xs);
    color: var(--text-faint);
    text-transform: capitalize;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--text-dim);
}

.chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
}

.bar-chart-legend {
    justify-content: center;
    margin-top: var(--sp-4);
}

.bar-chart-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-pill);
    display: inline-block;
}

/* ========== Gráfica de área (spline) ========== */
.area-chart {
    position: relative;
    width: 100%;
}

.area-chart svg {
    display: block;
    width: 100%;
    height: 220px;
    overflow: visible;
}

.area-chart .grid-line {
    stroke: var(--border);
    stroke-dasharray: 3 4;
}

.area-chart .axis-label {
    fill: var(--text-faint);
    font-size: 11px;
    font-family: var(--font);
}

.area-chart-tooltip {
    position: absolute;
    top: 0;
    pointer-events: none;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-hover);
    padding: var(--sp-2) var(--sp-3);
    font-size: var(--fs-xs);
    white-space: nowrap;
    transform: translateX(-50%);
    font-variant-numeric: tabular-nums;
}

.area-chart-tooltip strong {
    display: block;
    margin-bottom: 2px;
    color: var(--text);
}

/* ========== Dona ========== */
.donut-wrap {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
}

.donut {
    position: relative;
    width: 168px;
    height: 168px;
    flex-shrink: 0;
    margin: 0 auto;
}

.donut svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.donut-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.donut-center .num {
    font-weight: 700;
    font-size: var(--fs-md);
}

.donut-legend {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.legend-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.legend-row-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--sp-3);
    font-size: var(--fs-sm);
}

.legend-row-head .name {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.legend-row-head .amount {
    font-weight: 600;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.progress-sm {
    height: 5px;
}

/* ========== Spinner ========== */
.spinner {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border);
    border-top-color: var(--brand);
    animation: spin 700ms linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}