/* ===================================
   MisGastosApp - Estilo Apple
   Diseño minimalista, elegante y fácil de usar
   =================================== */

/* Reset y variables - Estilo Apple */
:root {
    /* Colores principales estilo Apple */
    --primary: #007AFF;
    --primary-dark: #0051D5;
    --primary-light: #4DA2FF;
    --success: #34C759;
    --success-dark: #248A3D;
    --danger: #FF3B30;
    --danger-dark: #D70015;
    --warning: #FF9500;
    --warning-dark: #C93400;
    --info: #5AC8FA;
    
    /* Grises Apple */
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F7;
    --gray-200: #E8E8ED;
    --gray-300: #D2D2D7;
    --gray-400: #AEAEB2;
    --gray-500: #8E8E93;
    --gray-600: #636366;
    --gray-700: #48484A;
    --gray-800: #3A3A3C;
    --gray-900: #1C1C1E;
    
    /* Colores de fondo */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-tertiary: #FAFAFA;
    
    /* Texto */
    --text-primary: #1C1C1E;
    --text-secondary: #3A3A3C;
    --text-tertiary: #8E8E93;
    
    /* Bordes y sombras Apple */
    --border-color: #D2D2D7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    
    /* Border radius estilo Apple */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transiciones suaves Apple */
    --transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-fast: all 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Efectos glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.18);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8eaf0 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
    position: relative;
}

/* ===================================
   Páginas de Autenticación - Estilo Apple
   =================================== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-secondary);
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-box {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    color: var(--text-primary);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.auth-header p {
    color: var(--text-tertiary);
    font-size: 1rem;
    font-weight: 400;
}

.auth-form .form-group {
    margin-bottom: 24px;
}

.auth-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--text-tertiary);
    font-size: 0.9375rem;
}

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

.auth-footer a:hover {
    color: var(--primary-dark);
}

/* Input con símbolo de moneda - Estilo Apple */
.input-with-currency {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 16px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    z-index: 1;
    pointer-events: none;
}

.input-with-currency input {
    padding-left: 44px !important;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Display de fecha y hora - Estilo Apple */
.datetime-display {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    margin: 20px 0;
    text-align: center;
    border: 1px solid var(--gray-200);
}

.datetime-display span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* ===================================
   Header - Estilo Apple
   =================================== */
.app-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    box-shadow: 0 1px 0 var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo a {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: var(--transition-fast);
}

.logo a:hover {
    opacity: 0.7;
}

.main-nav {
    display: flex;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-size: 0.9375rem;
    font-weight: 500;
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--gray-100);
    color: var(--primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 1.125rem;
}

.nav-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: -2px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.user-currency {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    background: var(--gray-100);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

/* Botón de cerrar sesión estilo Apple */
.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--gray-100);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.btn-logout:hover {
    background: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger);
    transform: translateY(-1px);
}

.btn-logout svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.btn-logout:hover svg {
    transform: translateX(2px);
}

.logout-text {
    font-weight: 600;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.dropdown-toggle:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    min-width: 220px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.dropdown:hover .dropdown-menu {
    display: block;
    animation: fadeIn 0.2s ease;
}

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

.dropdown-item {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.9375rem;
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 8px 0;
}

.mobile-menu-toggle {
    display: none;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background: var(--gray-200);
    transform: scale(1.05);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
}

.mobile-nav.show {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.mobile-nav a:hover,
.mobile-nav a:active {
    background: var(--gray-100);
    border-color: var(--gray-200);
    transform: translateX(4px);
}

.mobile-nav a:last-child {
    color: var(--danger);
    margin-top: 12px;
    border-top: 1px solid var(--gray-200);
    padding-top: 16px;
}

/* ===================================
   Container y Layout - Estilo Apple
   =================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 2.25rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-top: 8px;
    font-weight: 400;
}

.btn-icon {
    font-size: 1.125rem;
}

.btn-text {
    font-weight: 600;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-top: 8px;
    font-weight: 400;
}

.btn-icon {
    font-size: 1.125rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    transform: scale(1.2);
    background: var(--gray-100);
}

.btn-icon.btn-edit:hover {
    background: var(--primary-light);
    transform: scale(1.2) rotate(-5deg);
}

.btn-icon.btn-delete:hover {
    background: var(--danger-light);
    transform: scale(1.2) rotate(5deg);
}

.action-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
}

.btn-text {
    font-weight: 600;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.9375rem;
}

/* Importar categorías */
.import-categories {
    max-height: 500px;
    overflow-y: auto;
    margin-bottom: 24px;
}

.import-section {
    margin-bottom: 32px;
}

.import-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.import-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.import-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.import-item:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.import-item input[type="checkbox"] {
    display: none;
}

.import-item input[type="checkbox"]:checked + .import-preview {
    transform: scale(1.1);
    box-shadow: 0 0 0 3px var(--primary);
}

.import-preview {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: var(--transition);
}

.import-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* ===================================
   Cards - Estilo Apple
   =================================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    transform: translateY(-4px);
}

.card h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* ===================================
   Resumen de Gastos (Cards) - Estilo Apple
   =================================== */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 24px;
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transform: scale(1);
    transition: var(--transition-bounce);
}

.summary-card:hover {
    transform: scale(1.03) translateY(-6px);
    box-shadow: var(--shadow-xl);
    z-index: 10;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transition: var(--transition);
}

.summary-card:hover::before {
    opacity: 1;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.summary-card.income {
    background: linear-gradient(135deg, #34C759 0%, #30D158 100%);
    color: var(--bg-primary);
    border: none;
}

.summary-card.expense {
    background: linear-gradient(135deg, #FF3B30 0%, #FF453A 100%);
    color: var(--bg-primary);
    border: none;
}

.summary-card.balance {
    background: linear-gradient(135deg, #007AFF 0%, #0A84FF 100%);
    color: var(--bg-primary);
    border: none;
}

.summary-card.balance.positive {
    background: linear-gradient(135deg, #34C759 0%, #30D158 100%);
}

.summary-card.balance.negative {
    background: linear-gradient(135deg, #FF3B30 0%, #FF453A 100%);
}

.card-icon {
    font-size: 2.5rem;
    opacity: 0.95;
    transition: var(--transition-bounce);
    display: inline-block;
}

.summary-card:hover .card-icon {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.card-content h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 8px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-content .amount {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.card-content small {
    opacity: 0.85;
    font-size: 0.875rem;
}

.summary-card.balance.negative {
    background: var(--warning);
    color: var(--white);
    border-left: 4px solid #c2410c;
}

.card-icon {
    font-size: 3rem;
    opacity: 0.9;
}

.card-content h3 {
    color: var(--white);
    margin-bottom: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
}

.card-content .amount {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.card-content small {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* ===================================
   Botones - Estilo Apple
   =================================== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
    transform: scale(1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0, 122, 255, 0.3);
}

.btn-success {
    background: var(--success);
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 2px 8px rgba(52, 199, 89, 0.3);
}

.btn-success:hover {
    background: var(--success-dark);
    box-shadow: 0 6px 16px rgba(52, 199, 89, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-success:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(52, 199, 89, 0.3);
}

.btn-danger {
    background: var(--danger);
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.3);
}

.btn-danger:hover {
    background: var(--danger-dark);
    box-shadow: 0 6px 16px rgba(255, 59, 48, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-warning {
    background: var(--warning);
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 2px 8px rgba(255, 149, 0, 0.3);
}

.btn-warning:hover {
    background: var(--warning-dark);
    box-shadow: 0 6px 16px rgba(255, 149, 0, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-secondary {
    background: var(--gray-400);
    color: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(142, 142, 147, 0.3);
}

.btn-secondary:hover {
    background: var(--gray-500);
    box-shadow: 0 4px 12px rgba(142, 142, 147, 0.4);
}

.btn-link {
    background: none;
    color: var(--primary);
    padding: 8px 16px;
    box-shadow: none;
}

.btn-link:hover {
    background: var(--gray-100);
    color: var(--primary-dark);
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-icon {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-icon-small {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover .btn-icon-small {
    opacity: 1;
}

/* ===================================
   Acciones Rápidas - Estilo Apple
   =================================== */
.quick-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.quick-actions .btn {
    flex: 1;
    min-width: 160px;
    padding: 16px 24px;
    font-size: 1.0625rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

/* ===================================
   Selector de Mes - Estilo Apple
   =================================== */
.month-selector {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.month-selector h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ===================================
   Dashboard Grid
   =================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

@media (min-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   Categorías - Estilo Apple
   =================================== */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-item {
    padding: 16px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-bounce);
    border: 1px solid var(--gray-200);
    cursor: pointer;
}

.category-item:hover {
    background: var(--bg-primary);
    border-color: var(--primary-light);
    transform: translateX(8px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.category-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    transition: var(--transition-bounce);
}

.category-item:hover .category-icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.category-name {
    font-weight: 600;
    color: var(--dark);
}

.category-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.category-amount {
    font-weight: 700;
    color: var(--dark);
}

.category-percent {
    color: var(--gray);
    font-size: 0.9rem;
}

.progress-bar {
    background: var(--white);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    transition: width 0.5s ease;
}

/* ===================================
   Transacciones
   =================================== */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-bounce);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    position: relative;
}

.transaction-item:hover {
    transform: translateX(8px) scale(1.01);
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.transaction-item:hover .btn-delete {
    opacity: 1 !important;
}

.transaction-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--white);
    flex-shrink: 0;
    transition: var(--transition-bounce);
}

.transaction-item:hover .transaction-icon {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.transaction-info {
    flex: 1;
    min-width: 0;
}

.transaction-desc {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.transaction-date {
    color: var(--gray);
    font-size: 0.85rem;
}

.transaction-amount {
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.transaction-amount.gasto {
    color: var(--danger);
}

.transaction-amount.ingreso {
    color: var(--success);
}

/* ===================================
   Formularios - Estilo Apple
   =================================== */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238E8E93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

/* ===================================
   Modal - Estilo Apple
   =================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow-y: auto;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.25s ease;
    padding: 20px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 520px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    margin: auto;
}

@keyframes slideUp {
    from {
        transform: translateY(40px) scale(0.96);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-content h2 {
    color: var(--text-primary);
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.close {
    position: absolute;
    right: 12px;
    top: 12px;
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-tertiary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
    background: transparent;
    line-height: 1;
    z-index: 100;
    border: none;
    padding: 0;
    font-family: Arial, sans-serif;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.close:hover {
    background: var(--gray-200);
    color: var(--danger);
    transform: scale(1.15);
}

.close:active {
    transform: scale(0.9);
    background: var(--gray-300);
}

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

.modal-content h2 {
    margin-bottom: 25px;
    color: var(--dark);
}

/* ===================================
   Alertas - Estilo Apple
   =================================== */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 0.9375rem;
    border: 1px solid;
}

.alert-success {
    background: rgba(52, 199, 89, 0.1);
    color: #1E7E34;
    border-color: rgba(52, 199, 89, 0.3);
}

.alert-error {
    background: rgba(255, 59, 48, 0.1);
    color: #C9302C;
    border-color: rgba(255, 59, 48, 0.3);
}

.alert-warning {
    background: rgba(255, 149, 0, 0.1);
    color: #C27803;
    border-color: rgba(255, 149, 0, 0.3);
}

.alert-info {
    background: rgba(0, 122, 255, 0.1);
    color: #004085;
    border-color: rgba(0, 122, 255, 0.3);
}

/* ===================================
   Estados Vacíos - Estilo Apple
   =================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.empty-state h3 {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.9375rem;
}

/* ===================================
   Tabla de Gastos - Estilo Apple
   =================================== */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.expenses-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.expenses-table th {
    background: var(--gray-50);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.expenses-table td {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.expenses-table tbody tr {
    transition: var(--transition-fast);
}

.expenses-table tbody tr:hover {
    background: var(--gray-50);
}

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

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bg-primary);
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.amount-cell {
    font-weight: 700;
    font-size: 1.0625rem;
    letter-spacing: -0.01em;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.filters-card {
    margin-bottom: 25px;
}

.filters-form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ===================================
   Grid de Categorías
   =================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.category-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    border: 3px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.category-icon-big {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.category-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.btn-icon-small {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--danger-light);
    border: 2px solid var(--danger);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    opacity: 0;
}

.category-card:hover .btn-icon-small {
    opacity: 1;
}

.btn-icon-small:hover {
    background: var(--danger);
    transform: scale(1.1);
}

/* Confirmación de eliminación inline */
.delete-confirm {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.delete-confirm.show {
    opacity: 1;
    transform: scale(1);
}

.delete-confirm p {
    font-weight: 600;
    color: var(--danger);
    margin: 0;
    font-size: 0.9375rem;
}

.confirm-actions {
    display: flex;
    gap: 8px;
}

.btn-confirm-yes,
.btn-confirm-no {
    padding: 8px 20px;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 60px;
}

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

.btn-confirm-yes:hover {
    background: #cc0000;
    transform: scale(1.05);
}

.btn-confirm-no {
    background: var(--gray-200);
    color: var(--text-primary);
}

.btn-confirm-no:hover {
    background: var(--gray-300);
    transform: scale(1.05);
}

.btn-icon-small:active {
    transform: scale(0.95);
}

/* Mostrar botón eliminar siempre en móvil */
@media (max-width: 768px) {
    .btn-icon-small {
        opacity: 1;
    }

    /* Botones de acción siempre visibles en móvil */
    .transaction-item .btn-delete,
    .transaction-item .btn-edit {
        opacity: 1 !important;
    }

    /* Botones más grandes para touch */
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
        font-size: 1.25rem;
    }

    /* Espaciado táctil mejorado */
    .action-buttons {
        gap: 12px;
    }

    /* Transaction item más touch-friendly */
    .transaction-item {
        padding: 20px 16px;
        gap: 12px;
    }

    .transaction-icon {
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }

    /* Swipe visual en transacciones */
    .transaction-item {
        position: relative;
        touch-action: pan-y;
    }

    /* Modal más amigable en móvil */
    .modal-content {
        max-width: 95vw;
        margin: 10px;
        max-height: 90vh;
        overflow-y: auto;
    }

    /* Botón cerrar más grande */
    .close {
        min-width: 44px;
        min-height: 44px;
        font-size: 1.75rem;
    }

    /* Formularios más espaciados */
    .form-group {
        margin-bottom: 20px;
    }

    input, select, textarea {
        min-height: 44px;
        font-size: 16px; /* Evita zoom en iOS */
    }

    /* Botones de acción rápida apilados */
    .quick-actions {
        flex-direction: column;
        gap: 12px;
    }

    .quick-actions .btn {
        width: 100%;
        padding: 16px;
        font-size: 1rem;
    }

    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }

    .category-card {
        padding: 16px;
    }

    .category-icon-big {
        width: 50px;
        height: 50px;
        font-size: 1.75rem;
    }
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 768px) {
    .header-container {
        height: 60px;
    }

    .main-nav {
        display: none;
    }

    .user-menu {
        gap: 8px;
    }

    .user-name,
    .user-currency {
        display: none;
    }

    .btn-logout .logout-text {
        display: none;
    }

    .btn-logout {
        padding: 10px;
        min-width: 44px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav.show {
        display: block;
    }

    .nav-text {
        display: none;
    }

    .page-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn {
        flex: 1;
        justify-content: center;
        min-width: 44px;
        padding: 12px 16px;
    }

    .btn-text {
        display: none;
    }

    .quick-actions {
        width: 100%;
    }

    .quick-actions .btn {
        flex: 1;
        font-size: 0.875rem;
        padding: 10px 16px;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

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

    .card-content .amount {
        font-size: 1.5rem;
    }

    .user-name {
        display: none;
    }

    .month-selector h2 {
        font-size: 1.2rem;
    }

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

    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .form-row {
        flex-direction: column;
    }

    .user-menu {
        gap: 10px;
    }

    .btn-logout {
        padding: 6px 12px;
        font-size: 0.875rem;
    }

    .logout-text {
        display: none;
    }

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

    .expenses-table {
        font-size: 0.8rem;
    }

    .expenses-table th,
    .expenses-table td {
        padding: 10px 8px;
    }

    .transaction-desc {
        font-size: 0.9rem;
    }

    .category-badge {
        font-size: 0.75rem;
        padding: 6px 10px;
    }

    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .expenses-table {
        min-width: 600px;
    }

    /* Convertir tabla en tarjetas para móvil */
    .expenses-table thead {
        display: none;
    }

    .expenses-table,
    .expenses-table tbody,
    .expenses-table tr {
        display: block;
    }

    .expenses-table tr {
        margin-bottom: 16px;
        background: var(--gray-50);
        border-radius: var(--radius-md);
        padding: 16px;
        border: 1px solid var(--gray-200);
        position: relative;
    }

    .expenses-table td {
        display: flex;
        justify-content: space-between;
        padding: 8px 0;
        border: none;
        align-items: center;
    }

    .expenses-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        margin-right: 12px;
    }

    .expenses-table td:last-child {
        justify-content: center;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--gray-300);
    }

    .expenses-table td:last-child::before {
        display: none;
    }

    /* Hacer que los montos sean más prominentes */
    .amount-cell {
        font-size: 1.25rem !important;
        font-weight: 700 !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }

    .card {
        padding: 20px;
    }

    .auth-box {
        padding: 30px 25px;
    }

    .modal-content {
        padding: 25px 20px;
    }

    .summary-card {
        padding: 20px;
    }

    .card-icon {
        font-size: 2.5rem;
    }

    .transaction-item {
        padding: 12px;
    }

    .transaction-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* ===================================
   Utilidades
   =================================== */
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.text-muted { color: var(--gray); }
.text-bold { font-weight: 700; }

/* ===================================
   Insights - Análisis IA
   =================================== */
.insights-section {
    margin-bottom: 40px;
}

.insights-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.alert-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 20px;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: var(--transition);
}

.alert-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.alert-card.alert-warning {
    border-left-color: var(--warning);
}

.alert-card.alert-danger {
    border-left-color: var(--danger);
}

.alert-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.alert-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.alert-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin: 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
    transition: var(--transition);
}

.tip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tip-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.tip-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.tip-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.tip-impact {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.summary-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 16px;
    align-items: center;
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.summary-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

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

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

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

.insights-cta {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    margin-top: 40px;
}

.cta-content h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 24px;
}

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

.cta-content .btn:hover {
    background: var(--gray-100);
    transform: scale(1.05);
}