/* Yafam PWA - Modern UI with Glassmorphism & Accessibility */

:root {
    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-base: 17px;
    --font-sm: 15px;
    --font-lg: 20px;
    --font-xl: 24px;
    --font-2xl: 28px;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.15);

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --bg: #f0f2f8;
    --bg-card: rgba(255, 255, 255, 0.72);
    --bg-glass: rgba(255, 255, 255, 0.55);
    --text: #1e1e2e;
    --text-muted: #64748b;
    --border: rgba(0, 0, 0, 0.08);
    --overlay: rgba(15, 15, 26, 0.4);
    --header-bg: rgba(255, 255, 255, 0.8);
    --input-bg: rgba(255, 255, 255, 0.9);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f0f1a;
        --bg-card: rgba(30, 30, 50, 0.75);
        --bg-glass: rgba(30, 30, 50, 0.6);
        --text: #f1f5f9;
        --text-muted: #94a3b8;
        --border: rgba(255, 255, 255, 0.08);
        --overlay: rgba(0, 0, 0, 0.6);
        --header-bg: rgba(20, 20, 35, 0.85);
        --input-bg: rgba(40, 40, 65, 0.8);
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
    }
}

/* Auto dark mode by time (22:00 - 07:00) as fallback */
:root[data-theme="dark"] {
    --bg: #0f0f1a;
    --bg-card: rgba(30, 30, 50, 0.75);
    --bg-glass: rgba(30, 30, 50, 0.6);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --overlay: rgba(0, 0, 0, 0.6);
    --header-bg: rgba(20, 20, 35, 0.85);
    --input-bg: rgba(40, 40, 65, 0.8);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: var(--font-base);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Background gradient */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.screen { display: none; min-height: 100dvh; }
.screen.active { display: flex; flex-direction: column; }

/* Glass Card */
.glass, .glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.glass-card {
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
    padding: 1.75rem;
}

/* Login */
#login-screen {
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.logo-section {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
    font-weight: 700;
    color: white;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.logo-section h1 {
    font-size: var(--font-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-top: 0.25rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-sm);
    margin-bottom: 0.5rem;
    color: var(--text);
}

input, select, textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--font-base);
    font-family: inherit;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    min-height: 48px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: var(--font-sm);
    margin-bottom: 1.5rem;
    min-height: 44px;
}

.checkbox-label input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--primary);
    min-height: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: var(--font-base);
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    min-height: 48px;
    touch-action: manipulation;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover, .btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-full { width: 100%; }
.btn-sm { padding: 0.5rem 1rem; font-size: var(--font-sm); min-height: 40px; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-danger { background: var(--danger); color: white; }

.error-msg {
    color: var(--danger);
    font-size: var(--font-sm);
    margin-top: 1rem;
    text-align: center;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: env(safe-area-inset-top, 0) 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0 0.75rem;
}

.header-content h2 {
    font-size: var(--font-xl);
    font-weight: 700;
}

.avatar-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-sm);
    color: white;
    background: var(--primary);
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: 0.25rem;
    padding-bottom: 0.5rem;
}

.tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.625rem 0.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    min-height: 56px;
}

.tab svg { width: 22px; height: 22px; }

.tab.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

/* Main Content */
.app-main {
    flex: 1;
    padding: 1rem;
    padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0));
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Cards Grid - Asuntos */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
    gap: 1rem;
}

.affair-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
    min-height: 130px;
    box-shadow: var(--shadow-sm);
}

.affair-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-color, var(--primary));
}

.affair-card:active { transform: scale(0.97); }

.affair-card h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.affair-card .progress {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

.affair-card .badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-full);
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

/* Tasks */
.detail-view { animation: slideIn 0.3s ease; }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--primary);
    font-size: var(--font-base);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    min-height: 44px;
}

.back-btn svg { width: 20px; height: 20px; }

.detail-header {
    margin-bottom: 1.5rem;
}

.detail-header h3 {
    font-size: var(--font-xl);
    font-weight: 700;
}

.tasks-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: opacity var(--transition);
}

.task-item.completed { opacity: 0.55; }
.task-item.completed .task-title { text-decoration: line-through; }

.task-checkbox {
    width: 28px;
    height: 28px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.task-title {
    flex: 1;
    font-size: var(--font-base);
    font-weight: 500;
}

.task-body {
    flex: 1;
    min-width: 0;
}

.task-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.35rem;
}

.task-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.task-badge.family {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

.task-badge.scheduled {
    background: rgba(6, 182, 212, 0.15);
    color: #0891b2;
}

.task-badge.overdue {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.task-item.overdue-task {
    border-color: rgba(239, 68, 68, 0.35);
}

.task-add-form {
    margin-top: 1rem;
    padding: 1rem !important;
}

.task-add-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.task-option-label {
    margin-bottom: 0 !important;
    min-height: auto;
}

.schedule-field label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.schedule-field input {
    font-size: var(--font-sm);
    min-height: 44px;
}

.task-add-form.highlight {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.45), var(--shadow-md);
    animation: formPulse 1.2s ease;
}

@keyframes formPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.01); }
}

.task-add-form.collapsed .task-add-options,
.task-add-form.collapsed .btn[type=submit] {
    display: none;
}

.task-add-form.collapsed {
    padding: 0.75rem 1rem !important;
}

.task-add-form:not(.collapsed) {
    animation: formReveal 0.25s ease;
}

@keyframes formReveal {
    from { opacity: 0.6; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.task-badge.private {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

.task-badge.shared {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
    font-size: 12px;
}

.member-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.member-picker-hint,
.member-picker-empty {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.member-chip {
    cursor: pointer;
}

.member-chip input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.member-chip-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.expense-sharers-list .sharer-amount-input {
    width: 6.5rem;
    min-height: 2.25rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--font-sm);
    background: var(--surface);
    color: var(--text);
}

.expense-sharers-list .sharer-amount-input:disabled {
    opacity: 0.45;
}

.expense-sharers-list .sharer-amount-input:not([hidden]) {
    display: block;
}

.member-chip-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--border);
    font-size: var(--font-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.member-chip-label::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--chip-color, var(--primary));
}

.member-chip input:checked + .member-chip-label {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary);
}

.task-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.add-inline-form {
    display: flex;
    gap: 0.5rem;
}

.add-inline-form input { flex: 1; }

/* Payments */
.summary-bar {
    margin-bottom: 1.25rem;
    text-align: center;
}

.summary-bar .amount {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--primary);
}

.summary-bar .label {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

.payments-list, .loans-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.payment-card, .loan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--transition);
    min-width: 0;
    overflow: hidden;
}

.payment-card:active, .loan-card:active { transform: scale(0.98); }

.payment-card.overdue {
    border-color: var(--danger);
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2);
}

.payment-card.paid {
    opacity: 0.92;
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.04);
}

.payment-card.paid .payment-header h4,
.payment-card.paid .payment-amount {
    color: var(--text-muted);
    text-decoration: line-through;
    text-decoration-color: rgba(100, 116, 139, 0.5);
}

.payment-card.paid .payment-amount {
    color: var(--success);
    text-decoration: none;
}

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

.payments-filter-bar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.payments-filter-primary,
.payments-filter-secondary {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-chip-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
}

.payment-list-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.payment-list-group:last-child {
    margin-bottom: 0;
}

.payment-list-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0 0.15rem;
}

.payment-list-group-header h3 {
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.payment-list-group-overdue .payment-list-group-header h3 {
    color: var(--danger);
}

.payment-list-group-paid .payment-list-group-header h3 {
    color: var(--success);
}

.payment-group-count {
    font-weight: 600;
    opacity: 0.85;
}

.payment-card-meta {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin: 0 0 0.35rem;
    line-height: 1.45;
}

.payment-card-share {
    font-size: var(--font-sm);
    color: var(--primary);
    margin: 0 0 0.5rem;
    line-height: 1.45;
}

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

.expenses-subnav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.expenses-subnav .sub-tab {
    flex: 1;
    padding: 0.55rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    font-size: var(--font-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}

.expenses-subnav .sub-tab.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.variable-month-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0.25rem 0;
}

.variable-month-nav strong {
    font-size: var(--font-lg);
}

.variable-expense-card {
    cursor: default;
}

.variable-expense-card:active {
    transform: none;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.summary-item .label {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.summary-item .amount {
    font-size: var(--font-lg);
    font-weight: 700;
    margin: 0;
}

.summary-highlight {
    grid-column: 1 / -1;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

@media (min-width: 480px) {
    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .summary-highlight {
        grid-column: auto;
        border-bottom: none;
        padding-bottom: 0;
    }
}

.filter-chip {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    font-size: var(--font-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-chip.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.payment-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.payment-meta {
    font-size: var(--font-sm);
    color: var(--success);
    margin: 0.35rem 0 0.5rem;
}

.payment-card .status-badge.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.payment-card .status-badge.paid {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.payments-load-more {
    margin: 0.75rem 0 1.5rem;
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.35rem;
}

.payment-header h4 {
    font-size: var(--font-lg);
    font-weight: 600;
}

.payment-amount {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--primary);
}

.category-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    text-transform: capitalize;
}

.split-badge { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.period-badge { background: rgba(99, 102, 241, 0.12); color: var(--primary); }
.split-preview { font-size: var(--font-sm); color: var(--primary); margin-top: 0.5rem; font-weight: 600; }
.category-tag.streaming { background: #fce7f3; color: #be185d; }
.category-tag.educacion { background: #fef3c7; color: #b45309; }
.category-tag.alquiler { background: #d1fae5; color: #047857; }
.category-tag.salud { background: #ede9fe; color: #6d28d9; }
.category-tag.transporte { background: #e0f2fe; color: #0369a1; }
.category-tag.otros { background: #f1f5f9; color: #475569; }

@media (prefers-color-scheme: dark) {
    .category-tag.servicios { background: rgba(29, 78, 216, 0.2); color: #93c5fd; }
    .category-tag.streaming { background: rgba(190, 24, 93, 0.2); color: #f9a8d4; }
    .category-tag.educacion { background: rgba(180, 83, 9, 0.2); color: #fcd34d; }
    .category-tag.alquiler { background: rgba(4, 120, 87, 0.2); color: #6ee7b7; }
    .category-tag.salud { background: rgba(109, 40, 217, 0.2); color: #c4b5fd; }
    .category-tag.transporte { background: rgba(3, 105, 161, 0.2); color: #7dd3fc; }
    .category-tag.otros { background: rgba(71, 85, 105, 0.2); color: #cbd5e1; }
}

.payment-due {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.payment-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.payment-actions .btn {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 0;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
}

.payment-actions .btn-primary {
    flex: 1 1 100%;
}

.status-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.status-badge.paid { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.status-badge.pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.status-badge.partial { background: rgba(99, 102, 241, 0.15); color: var(--primary); }

/* Loans */
.loan-parties {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.loan-arrow {
    color: var(--text-muted);
    font-size: var(--font-lg);
}

.loan-reason {
    font-size: var(--font-sm);
    color: var(--text-muted);
    font-style: italic;
}

.receipt-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
}

/* FAB */
.fab-container {
    position: fixed;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0));
    right: 1.25rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border: none;
    color: white;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition), box-shadow var(--transition);
    touch-action: manipulation;
}

.fab:active { transform: scale(0.92); }
.fab.open { transform: rotate(45deg); }
.fab-icon { width: 28px; height: 28px; transition: transform var(--transition); }

.fab-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: fabMenuIn 0.25s ease;
}

@keyframes fabMenuIn {
    from { opacity: 0; transform: translateY(10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.fab-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: var(--font-base);
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    min-height: 48px;
    transition: transform var(--transition);
}

.fab-option:active { transform: scale(0.96); }

.fab-option-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    border-radius: var(--radius-full);
    font-size: 16px;
}

/* Dropdown Menu */
.dropdown-menu {
    position: fixed;
    top: calc(4rem + env(safe-area-inset-top, 0));
    right: 1rem;
    z-index: 300;
    min-width: 220px;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
}

.user-info strong { display: block; font-size: var(--font-base); }
.user-info small { color: var(--text-muted); font-size: var(--font-sm); }

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0.5rem 0;
}

.menu-item {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-base);
    font-family: inherit;
    color: var(--text);
    cursor: pointer;
    border-radius: var(--radius-sm);
    min-height: 44px;
}

.menu-item:hover { background: rgba(99, 102, 241, 0.08); }
.menu-item.danger { color: var(--danger); }

/* Modal — centrado en pantalla (dialog nativo) */
.modal {
    border: none;
    border-radius: var(--radius-lg);
    padding: 0;
    width: min(480px, calc(100svw - 2rem));
    max-width: min(480px, calc(100svw - 2rem));
    max-height: calc(100dvh - 2rem - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    margin: 0;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-lg);
    background: var(--bg-card);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: var(--text);
    overflow: hidden;
}

.modal:not([open]) {
    display: none;
}

.modal[open] {
    display: flex;
    flex-direction: column;
}

.modal::backdrop {
    background: var(--overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    min-width: 0;
}

.modal-header h3 {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-lg);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    min-width: 44px;
    min-height: 44px;
    flex-shrink: 0;
}

.modal-body {
    padding: 1.5rem;
    max-height: min(70dvh, calc(100dvh - 9rem));
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 0;
}

.modal-body .form-group { margin-bottom: 1rem; }

.modal-body input,
.modal-body select,
.modal-body textarea {
    max-width: 100%;
}

.modal-body input[type="file"] {
    padding: 0.625rem;
    font-size: var(--font-sm);
}

.color-picker-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 3px solid transparent;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition);
}

.color-swatch.selected {
    border-color: var(--text);
    transform: scale(1.15);
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.toggle-row label { font-weight: 500; }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state p {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Toast — popover manual para quedar sobre dialog[open] (top layer) */
.toast {
    position: fixed;
    bottom: calc(5.5rem + env(safe-area-inset-bottom, 0));
    left: 50%;
    translate: -50% 0;
    background: var(--text);
    color: var(--bg);
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    max-width: 90%;
    text-align: center;
    margin: 0;
}

.toast:popover-open {
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; translate: -50% 10px; }
    to { opacity: 1; translate: -50% 0; }
}

/* Offline Banner */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--warning);
    color: #1e1e2e;
    text-align: center;
    padding: 0.5rem;
    font-size: var(--font-sm);
    font-weight: 600;
    z-index: 1000;
}

.overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 150;
}

/* Loan detail */
.loan-detail-section {
    margin-bottom: 1.5rem;
}

.loan-detail-section h4 {
    font-size: var(--font-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.payment-history {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.payment-history li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

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

.link-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.family-mode-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.mode-tab {
    flex: 1;
    padding: 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text-muted);
    font-family: inherit;
    font-size: var(--font-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    min-height: 44px;
}

.mode-tab.active {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.code-preview {
    margin-top: 0.5rem;
    font-size: var(--font-sm);
    color: var(--success);
    font-weight: 600;
}

.family-info {
    padding: 0.5rem 0.75rem;
}

.family-info-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.family-info strong {
    display: block;
    font-size: var(--font-base);
    margin-bottom: 0.5rem;
}

.invite-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.invite-row code {
    flex: 1;
    font-size: var(--font-lg);
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
}

.family-info small {
    font-size: 12px;
    color: var(--text-muted);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Responsive */
@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    .fab-container { right: 2rem; bottom: 2rem; }
}