/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    color-scheme: light;
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.75);
    --border-color: rgba(15, 23, 42, 0.08);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.15);
    
    --success: #10b981;
    --success-hover: #059669;
    --success-glow: rgba(16, 185, 129, 0.15);
    
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-glow: rgba(239, 68, 68, 0.15);
    
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.15);
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius: 12px;

    /* Theme-specific custom styles */
    --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
    --shadow-login: 0 20px 40px rgba(0, 0, 0, 0.06);
    --nav-hover-bg: rgba(0, 0, 0, 0.04);
    --btn-secondary-bg: rgba(0, 0, 0, 0.05);
    --btn-secondary-hover-bg: rgba(0, 0, 0, 0.08);
    --input-bg: rgba(0, 0, 0, 0.02);
    --input-focus-bg: rgba(0, 0, 0, 0.04);
    --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    --bg-modal: #ffffff;
    --warning-modal-bg: linear-gradient(185deg, #fffcf5 0%, #ffffff 100%);
    --warning-modal-shadow: 0 20px 40px rgba(245, 158, 11, 0.06);
    --mobile-card-bg: rgba(0, 0, 0, 0.015);
    --mobile-card-active-bg: rgba(0, 0, 0, 0.005);
    --skeleton-start: rgba(0, 0, 0, 0.03);
    --skeleton-mid: rgba(0, 0, 0, 0.07);
    --skeleton-end: rgba(0, 0, 0, 0.03);
    --ledger-item-bg: rgba(0, 0, 0, 0.01);
    --flow-box-shadow: 0 0 25px rgba(0, 188, 212, 0.06);
    --backdrop-bg: rgba(15, 23, 42, 0.3);
    --navbar-bg: rgba(248, 250, 252, 0.8);
    --mobile-card-body-bg: rgba(0, 0, 0, 0.03);
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.3);
    
    --success: #10b981;
    --success-hover: #059669;
    --success-glow: rgba(16, 185, 129, 0.2);
    
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-glow: rgba(239, 68, 68, 0.2);
    
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.2);

    /* Theme-specific custom styles */
    --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-login: 0 20px 40px rgba(0, 0, 0, 0.5);
    --nav-hover-bg: rgba(255, 255, 255, 0.05);
    --btn-secondary-bg: rgba(255, 255, 255, 0.08);
    --btn-secondary-hover-bg: rgba(255, 255, 255, 0.12);
    --input-bg: rgba(255, 255, 255, 0.03);
    --input-focus-bg: rgba(255, 255, 255, 0.05);
    --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --bg-modal: #111827;
    --warning-modal-bg: linear-gradient(185deg, #1d1a12 0%, #111827 100%);
    --warning-modal-shadow: 0 0 40px rgba(245, 158, 11, 0.15);
    --mobile-card-bg: rgba(255, 255, 255, 0.02);
    --mobile-card-active-bg: rgba(255, 255, 255, 0.01);
    --skeleton-start: rgba(255,255,255,0.03);
    --skeleton-mid: rgba(255,255,255,0.08);
    --skeleton-end: rgba(255,255,255,0.03);
    --ledger-item-bg: rgba(255, 255, 255, 0.02);
    --flow-box-shadow: 0 0 20px rgba(0, 188, 212, 0.15);
    --backdrop-bg: rgba(0, 0, 0, 0.6);
    --navbar-bg: rgba(11, 15, 25, 0.8);
    --mobile-card-body-bg: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

body, header.navbar, .card, .form-control, .btn-secondary, .table, .table td, .table th, .mobile-house-card, .mobile-house-header, .mobile-house-body, .modal-container, .warning-modal-container, .summary-item {
    transition: background-color var(--transition-smooth), color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
    background-color: var(--nav-hover-bg);
}

.nav-links a.logout-btn {
    border: 1px solid var(--danger);
    color: var(--danger);
}

.nav-links a.logout-btn:hover {
    background-color: var(--danger);
    color: white;
}

/* Theme toggle button */
.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    outline: none;
}

.theme-toggle-btn:hover {
    color: var(--text-primary);
    background-color: var(--nav-hover-bg);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Hide sun by default (light theme shows moon) */
.theme-toggle-btn .sun-icon {
    display: none;
}

.theme-toggle-btn .moon-icon {
    display: block;
}

/* In dark theme, show sun and hide moon */
:root[data-theme="dark"] .theme-toggle-btn .sun-icon {
    display: block;
}

:root[data-theme="dark"] .theme-toggle-btn .moon-icon {
    display: none;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Base styles for Pages */
main {
    flex-grow: 1;
    padding: 2.5rem 0;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Glass Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-card);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background-color: var(--input-focus-bg);
}

/* Fix option styles in dark mode to prevent white text on white background */
select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover-bg);
}

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

.btn-danger:hover {
    background-color: var(--danger-hover);
    box-shadow: 0 4px 12px var(--danger-glow);
}

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

.btn-success:hover {
    background-color: var(--success-hover);
    box-shadow: 0 4px 12px var(--success-glow);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-admin {
    background-color: var(--accent-glow);
    color: var(--accent);
}

.badge-tesorero {
    background-color: var(--warning-glow);
    color: var(--warning);
}

.badge-copropietario {
    background-color: var(--success-glow);
    color: var(--success);
}

.badge-income {
    background-color: rgba(14, 165, 233, 0.14);
    color: #0ea5e9;
}

/* Login Page specifically */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 140px);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-login);
    border-radius: 16px;
    text-align: center;
    animation: slideUp 0.5s var(--transition-smooth);
}

.login-logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.login-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* Table styles */
.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.01);
}

.table th, .table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.table td {
    color: var(--text-secondary);
    font-size: 0.95rem;
    vertical-align: middle;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
    color: var(--text-primary);
}

/* Payment Matrix (Desktop layout) */
.matrix-container {
    display: block;
}

.matrix-page-header {
    flex-wrap: wrap;
    gap: 1rem;
}

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

.matrix-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.matrix-summary .summary-item {
    padding: 1rem 1.15rem;
}


.matrix-summary-cash {
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.05);
}

.matrix-summary-cash .summary-value,
.summary-value.balance,
.paid-amount {
    color: var(--success);
}

.matrix-summary-debt {
    border-color: rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.05);
}

.matrix-summary-debt .summary-value,
.debt-amount {
    color: var(--danger);
}

.matrix-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 4px;
}

.matrix-table th {
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-size: 0.8rem;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.matrix-table td {
    padding: 0.5rem;
    text-align: center;
    vertical-align: middle;
}

.matrix-table td.house-col {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.01);
}

.matrix-debt-col {
    min-width: 92px;
}

.house-debt-col {
    text-align: right !important;
    font-weight: 800;
    white-space: nowrap;
    padding-right: 0.75rem !important;
}


/* Payment Cells */
.cell-status {
    width: 100%;
    aspect-ratio: 1;
    min-width: 32px;
    max-width: 45px;
    margin: 0 auto;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: background-color 0.4s ease, transform 0.2s var(--transition-smooth), box-shadow 0.3s ease;
    user-select: none;
    position: relative;
    overflow: hidden;
    border: none;
    color: white;
}

.cell-status:hover {
    transform: scale(1.08);
    z-index: 10;
}

.cell-status.pagado {
    background-color: var(--success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.2);
}

.cell-status.pagado:hover {
    box-shadow: 0 0 14px var(--success-glow);
}

.cell-status.deuda {
    background-color: var(--danger);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}

.cell-status.deuda:hover {
    box-shadow: 0 0 14px var(--danger-glow);
}

.cell-status.futuro {
    background-color: rgba(148, 163, 184, 0.28);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.cell-status.futuro:hover {
    background-color: rgba(148, 163, 184, 0.38);
    box-shadow: 0 0 10px rgba(148, 163, 184, 0.18);
}

/* Mobile Matrix Cards (Mobile layout) */
.mobile-matrix-list {
    display: none; /* hidden on desktop */
    flex-direction: column;
    gap: 1rem;
}

.mobile-house-card {
    background: var(--mobile-card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-fast);
}

.mobile-house-card.active {
    border-color: var(--accent);
}

.mobile-house-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    background: transparent;
}

.mobile-house-header:hover {
    background: var(--mobile-card-active-bg);
}

.mobile-house-title {
    font-weight: 600;
    font-size: 1.05rem;
}

.mobile-house-debt-summary {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mobile-house-debt-money {
    margin-top: 0.25rem;
    font-size: 0.9rem;
    font-weight: 800;
}


.mobile-house-chevron {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.mobile-house-card.active .mobile-house-chevron {
    transform: rotate(180deg);
}

.mobile-house-body {
    display: none; /* dynamically shown via JS */
    padding: 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--mobile-card-body-bg);
}

.mobile-months-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 3x4 or 4x3 */
    gap: 0.5rem;
}

.mobile-month-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-family: inherit;
    color: white;
    transition: background-color 0.4s ease, transform 0.1s ease;
}

.mobile-month-btn:active {
    transform: scale(0.95);
}

.mobile-month-btn.pagado {
    background-color: var(--success);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.2);
}

.mobile-month-btn.deuda {
    background-color: var(--danger);
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.2);
}

.mobile-month-btn.futuro {
    background-color: rgba(148, 163, 184, 0.24);
    color: var(--text-primary);
    box-shadow: none;
}

.mobile-month-lbl {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    opacity: 0.8;
}

.mobile-month-val {
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 2px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--backdrop-bg);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 480px;
    padding: 2rem;
    box-shadow: var(--modal-shadow);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-container {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Large Warning Alert Modal (for copropietario flow) */
.warning-modal-container {
    max-width: 520px;
    border: 2px solid var(--warning);
    background: var(--warning-modal-bg);
    box-shadow: var(--warning-modal-shadow);
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
    padding: 1.25rem;
}

.warning-modal-container .modal-body {
    margin-bottom: 0.75rem !important;
}

.warning-modal-container #multiMonthSelector {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.45rem !important;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 0.15rem;
}

.warning-icon {
    font-size: 3rem;
    color: var(--warning);
    margin-bottom: 0.55rem;
    display: flex;
    justify-content: center;
    animation: pulseGlow 2s infinite ease-in-out;
}

.warning-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.5;
    margin-bottom: 0.45rem;
}

.warning-payment-body {
    margin-bottom: 0.75rem;
}

.warning-payment-intro,
.warning-payment-note {
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.35;
}

.warning-payment-intro {
    font-size: 0.9rem;
    margin-bottom: 0.9rem;
}

.warning-payment-note {
    font-size: 0.76rem;
}

.warning-payment-icon svg {
    width: 42px;
    height: 42px;
}

.warning-details {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 0.85rem;
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    text-align: center;
}

.warning-payment-details {
    font-size: 0.88rem;
}

.multi-month-selector {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 0.15rem;
}

.sandbox-help-box {
    border: 1px solid var(--warning);
    background: var(--warning-glow);
    border-radius: 8px;
    padding: 0.75rem 0.85rem;
    margin: 0.8rem 0;
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.45;
}

.warning-payment-footer {
    justify-content: center;
    gap: 0.75rem;
}

.warning-payment-footer .btn {
    flex: 1;
}

.warning-details p {
    margin-bottom: 0.25rem;
}

.warning-details strong {
    color: var(--warning);
}

/* Ledger summary cards */
.ledger-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.ledger-filter-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 0;
}

.ledger-filter-control {
    width: auto;
    min-width: 160px;
    padding: 0.4rem 2rem 0.4rem 0.75rem;
}

.ledger-year-control {
    min-width: 100px;
}

.ledger-filter-btn {
    min-height: 38px;
    padding: 0.55rem 1rem;
}

.ledger-action-btn {
    min-height: 38px;
    padding: 0.6rem 1.2rem;
}

.ledger-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.ledger-mobile-summary,
.ledger-mobile-list {
    display: none;
}

.summary-item {
    background: var(--ledger-item-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.summary-value.income {
    color: var(--success);
}

.summary-value.income-alt {
    color: #0ea5e9;
}

.summary-value.balance {
    color: var(--success);
}

.summary-value.expense {
    color: var(--danger);
}

.ledger-mobile-card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.95rem;
    background: var(--ledger-item-bg);
}

.ledger-mobile-card + .ledger-mobile-card {
    margin-top: 0.75rem;
}

.ledger-mobile-card.income {
    border-left: 4px solid #0ea5e9;
}

.ledger-mobile-card.expense {
    border-left: 4px solid var(--danger);
}

.ledger-mobile-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
}

.ledger-mobile-amount {
    color: #0ea5e9;
    font-size: 1rem;
    white-space: nowrap;
}

.ledger-mobile-card.expense .ledger-mobile-amount {
    color: var(--danger);
}

.ledger-mobile-description {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.7rem;
}

.ledger-mobile-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
}

.ledger-mobile-empty {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-muted);
    text-align: center;
}

/* Skeleton Loading Effects */
.skeleton {
    background: linear-gradient(90deg, var(--skeleton-start) 25%, var(--skeleton-mid) 50%, var(--skeleton-end) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-btn {
    height: 38px;
    width: 100px;
}

/* Flow mock simulation page elements */
.flow-payment-box {
    text-align: center;
    max-width: 480px;
    margin: 4rem auto;
    padding: 3rem;
    border-color: #00bcd4;
    box-shadow: var(--flow-box-shadow);
}

.flow-logo-mock {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ff5722;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.flow-logo-mock span {
    color: #00bcd4;
}

/* Alerts / Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

/* Custom Ripple Effect Elements */
.ripple {
    position: absolute;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-effect 0.5s ease-out;
    pointer-events: none;
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes ripple-effect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Mobile-First Responsive Rules */
@media (max-width: 767px) {
    header.navbar {
        padding: 0.5rem 0;
    }
    
    .nav-links {
        display: none; /* dynamic hamburger controls */
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        gap: 0.75rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
    }
    
    .nav-links.open {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    main {
        padding: 1.5rem 0;
    }
    
    .page-title {
        font-size: 1.6rem;
    }

    .matrix-page-header,
    .matrix-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .matrix-actions .btn,
    .matrix-actions .form-control {
        width: 100% !important;
    }

    .matrix-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
    }

    .matrix-summary .summary-item {
        min-height: 104px;
        padding: 0.9rem;
    }

    .matrix-summary .summary-label {
        font-size: 0.78rem;
    }

    .matrix-summary .summary-value {
        font-size: 1.35rem;
        line-height: 1.15;
        overflow-wrap: anywhere;
    }
    
    /* Responsive matrix switch */
    .matrix-container {
        display: none; /* hide table */
    }
    
    .mobile-matrix-list {
        display: flex; /* show cards */
    }
    
    .ledger-summary,
    .ledger-desktop-table {
        display: none;
    }

    .ledger-mobile-summary {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .ledger-mobile-summary .summary-item {
        padding: 0.95rem;
        min-width: 0;
    }

    .ledger-mobile-summary .summary-balance {
        grid-column: 1 / -1;
        background: rgba(99,102,241,0.03);
        border-color: rgba(99,102,241,0.25);
    }

    .ledger-mobile-summary .summary-label {
        font-size: 0.78rem;
    }

    .ledger-mobile-summary .summary-value {
        font-size: 1.25rem;
        overflow-wrap: anywhere;
    }

    .ledger-mobile-list {
        display: block;
    }

    .ledger-toolbar,
    .ledger-filter-form {
        align-items: stretch;
        flex-direction: column;
    }

    .ledger-filter-control,
    .ledger-filter-btn,
    .ledger-action-btn {
        width: 100%;
    }
    
    .modal-container {
        padding: 1.5rem;
    }

    .warning-modal-container {
        width: calc(100% - 1rem);
        max-height: calc(100dvh - 1rem);
        padding: 1rem;
        border-radius: 12px;
    }

    .multi-month-selector {
        grid-template-columns: 1fr;
        max-height: 170px;
    }

    .warning-modal-container #multiMonthSelector {
        grid-template-columns: 1fr !important;
        max-height: 170px;
    }

    .warning-payment-footer {
        position: sticky;
        bottom: 0;
        background: var(--bg-modal);
        padding-top: 0.75rem;
    }
    
    .mobile-months-grid {
        grid-template-columns: repeat(3, 1fr); /* 3x4 layout */
    }
}