:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.container {
    width: 80vw;
    margin: 0 auto;
}

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    font-size: 1.4rem;
}

.main-nav {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-muted);
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    font-size: 0.95rem;
    transition: background 0.15s, color 0.15s;
}

.main-nav a:hover,
.main-nav a.active {
    background: #eef2ff;
    color: var(--primary);
}

.main-content {
    padding: 2rem 0 3rem;
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 1.25rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.page-header h1 {
    margin: 0;
    font-size: 1.75rem;
}

.subtitle {
    margin: 0.25rem 0 0;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.month-nav {
    display: flex;
    gap: 0.35rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-secondary {
    background: #e0e7ff;
    color: var(--primary);
}

.btn-secondary:hover {
    background: #c7d2fe;
}

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

.btn-danger {
    background: #fee2e2;
    color: var(--danger);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: #f8fafc;
}

.btn-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-header h2,
.card h2 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.card-form h2 {
    margin-top: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.stat-value {
    font-size: 1.6rem;
    line-height: 1.2;
}

.stat-sub {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat-success { border-left: 4px solid var(--success); }
.stat-warning { border-left: 4px solid var(--warning); }
.stat-primary { border-left: 4px solid var(--primary); }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.payment-list,
.tipo-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.payment-item,
.tipo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
}

.payment-item:last-child,
.tipo-item:last-child {
    border-bottom: none;
}

.payment-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}

.amount {
    font-weight: 700;
    white-space: nowrap;
}

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

.small {
    font-size: 0.85rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    background: color-mix(in srgb, var(--badge-color) 15%, white);
    color: var(--badge-color);
}

.status {
    font-size: 0.85rem;
    font-weight: 600;
}

.status-paid { color: var(--success); }
.status-pending { color: var(--warning); }
.status-overdue { color: var(--danger); }

.filter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-tabs a {
    text-decoration: none;
    color: var(--text-muted);
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.filter-tabs a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.85rem 0.65rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.data-table th {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.row-paid {
    opacity: 0.75;
}

.row-actions {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.inline-form {
    display: inline;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group.span-2 {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    font: inherit;
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid #c7d2fe;
    border-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tipo-pago-selector select {
    width: 100%;
    margin-bottom: 0.75rem;
}

.tipo-pago-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chip-btn {
    border: 1px solid color-mix(in srgb, var(--chip-color) 40%, white);
    background: color-mix(in srgb, var(--chip-color) 12%, white);
    color: var(--chip-color);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.chip-btn.active,
.chip-btn:hover {
    background: var(--chip-color);
    color: #fff;
}

.tipo-edit-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    flex-wrap: wrap;
}

.tipo-edit-form input[type="text"] {
    flex: 1;
    min-width: 120px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.45rem 0.6rem;
}

.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tipo-item.inactive {
    opacity: 0.55;
}

.tipo-item-actions {
    display: flex;
    gap: 0.35rem;
}

.alert {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
}

.alert ul {
    margin: 0;
    padding-left: 1.2rem;
}

.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: 2rem 1rem;
}

.status-list {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.status-list li {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.status-list li.ok strong {
    color: var(--success);
}

.status-list li.fail strong {
    color: var(--danger);
}

.config-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
}

.config-box h3 {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
}

.config-box p {
    margin: 0.25rem 0;
}

.import-log {
    margin: 0 0 1rem;
    padding-left: 1.2rem;
    color: var(--text-muted);
}

.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.25rem 0;
}

.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.stats-compact .stat-value {
    font-size: 1.35rem;
}

.calendar-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    align-items: start;
}

.calendar-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calendar-sidebar .card h2 {
    margin-bottom: 0;
}

.sidebar-payments,
.fixed-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-payment-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-payment-item:last-child {
    border-bottom: none;
}

.sidebar-payment-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.fixed-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border);
}

.fixed-list li:last-child {
    border-bottom: none;
}

.fixed-day {
    min-width: 52px;
    font-weight: 700;
    color: var(--primary);
    font-size: 0.85rem;
}

.badge-fixed {
    display: inline-block;
    width: fit-content;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    background: #eef2ff;
    color: var(--primary);
}

.info-banner {
    background: #eef2ff;
    border-radius: 10px;
    padding: 1rem;
}

.info-banner p {
    margin: 0.35rem 0 0;
    color: var(--text-muted);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.checkbox-label input {
    width: auto;
}

.legend-dot.fixed { background: var(--primary); }
.legend-dot.unassigned { background: #94a3b8; }
.legend-dot.overdue { background: var(--danger); }

.flow-steps {
    margin: 0.5rem 0 0;
    padding-left: 1.2rem;
    color: var(--text-muted);
}

.flow-steps li {
    margin: 0.35rem 0;
}

.color-hint.green { color: var(--success); font-weight: 700; }
.color-hint.red { color: var(--danger); font-weight: 700; }

.sidebar-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.sidebar-link:hover strong {
    color: var(--primary);
}

.pagar-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.pagar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pagar-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 0.65rem;
    overflow: hidden;
}

.pagar-item.pending { border-left: 4px solid var(--warning); }
.pagar-item.overdue { border-left: 4px solid var(--danger); background: #fef2f2; }

.pagar-item-label {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem;
    cursor: pointer;
}

.pagar-item-label input {
    margin-top: 0.25rem;
    width: auto;
}

.pagar-item-body {
    flex: 1;
}

.pagar-item-top {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.pagar-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pagar-footer {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.btn-lg {
    padding: 0.85rem 1.25rem;
}

.pagar-hint {
    margin-top: 1rem;
}

.calendar-day.day-pending { background: #fffbeb; }
.calendar-day.day-overdue { background: #fef2f2; }
.calendar-day.day-unassigned { background: #f8fafc; }

.calendar-event.event-unassigned {
    background: #f1f5f9;
    border-left-color: #94a3b8;
    color: var(--text-muted);
}

.calendar-event.event-pending {
    background: #fef3c7;
    border-left-color: #f59e0b;
}

.calendar-event.event-overdue {
    background: #fee2e2;
    border-left-color: #dc2626;
}

.calendar-event.event-paid {
    background: #dcfce7;
    border-left-color: #16a34a;
}

.calendar-event.fixed {
    border-left-color: var(--primary);
}

.calendar-day.overdue {
    background: #fef2f2;
}

/* Calendario */
.calendar-card {
    overflow: hidden;
}

.calendar-legend {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.35rem;
    vertical-align: middle;
}

.legend-dot.pending { background: var(--warning); }
.legend-dot.paid { background: var(--success); }
.legend-dot.today { background: var(--primary); }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-weekday {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0.35rem;
}

.calendar-day {
    min-height: 110px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.45rem;
    background: #fafbfc;
    display: flex;
    flex-direction: column;
}

.calendar-day.empty {
    background: transparent;
    border-color: transparent;
}

.calendar-day.today {
    border-color: var(--primary);
    box-shadow: inset 0 0 0 1px var(--primary);
}

.calendar-day.has-pending {
    background: #fffbeb;
}

.calendar-day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.day-number {
    font-weight: 700;
    font-size: 0.9rem;
}

.day-add-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.6rem;
    height: 1.6rem;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s, color 0.15s;
}

.day-add-link:hover {
    background: var(--primary);
    color: #fff;
}

.legend-hint {
    margin-left: auto;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.calendar-add-event {
    display: block;
    text-align: center;
    font-size: 0.68rem;
    padding: 0.2rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    margin-top: 0.15rem;
}

.calendar-add-event:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #eef2ff;
}

.day-total {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
}

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow: hidden;
}

.calendar-event {
    display: block;
    text-decoration: none;
    font-size: 0.72rem;
    padding: 0.25rem 0.35rem;
    border-radius: 6px;
    border-left: 3px solid var(--event-color);
    background: color-mix(in srgb, var(--event-color) 10%, white);
    color: var(--text);
}

.calendar-event.pending {
    background: #fef3c7;
    border-left-color: var(--warning);
}

.calendar-event.paid {
    background: #dcfce7;
    border-left-color: var(--success);
    opacity: 0.85;
}

/* legacy classes - keep for compatibility */

.event-name {
    display: block;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-amount {
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .calendar-layout {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.span-2 {
        grid-column: span 1;
    }

    .calendar-grid {
        gap: 0.25rem;
    }

    .calendar-day {
        min-height: 80px;
        padding: 0.3rem;
    }

    .calendar-event .event-amount {
        display: none;
    }

    .data-table th:nth-child(4),
    .data-table td:nth-child(4) {
        display: none;
    }
}

/* Auth */
.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #eef2ff 0%, var(--bg) 45%, #f8fafc 100%);
}

.auth-container {
    width: min(420px, 92%);
    padding: 2rem 0;
}

.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.auth-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-brand h1 {
    margin: 0.5rem 0 0.25rem;
    font-size: 1.5rem;
}

.auth-brand p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-switch {
    text-align: center;
    margin: 1.25rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.auth-switch a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.user-name {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

.header-inner {
    flex-wrap: wrap;
}