/**
 * FinanzApp - Estilos Personalizados
 * Tema oscuro profesional con glassmorphism
 * Soporte para modo claro/oscuro
 */

/* ================================================================
   VARIABLES CSS Y RESET
   ================================================================ */
:root {
    /* Colores principales - MODO OSCURO (default) */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.8);

    /* Acentos */
    --accent-primary: #4361ee;
    --accent-secondary: #7209b7;
    --accent-highlight: #f72585;

    /* Estados */
    --color-success: #00d09c;
    --color-warning: #ffc107;
    --color-danger: #ff6b6b;
    --color-info: #4dabf7;

    /* Texto */
    --text-primary: #ffffff;
    --text-secondary: #d0d9e6;
    --text-muted: #a8b5c4;
    --text-table: #e8ecf1;

    /* Otros */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.05);

    /* Dimensiones */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 60px;
    --border-radius: 12px;
    --border-radius-sm: 8px;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ================================================================
   MODO CLARO (LIGHT)
   ================================================================ */
[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8ecf0;
    --bg-card: rgba(255, 255, 255, 0.95);

    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-table: #2d3748;

    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.08);
    --input-bg: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .sidebar {
    background: linear-gradient(180deg, #ffffff 0%, #f0f2f5 100%);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .header {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .login-container {
    background: linear-gradient(135deg, #f0f2f5 0%, #e0e5eb 100%);
}

[data-theme="light"] .form-control {
    background: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="light"] .form-control::placeholder {
    color: var(--text-muted);
}

[data-theme="light"] .nav-item.active {
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.2);
}

[data-theme="light"] .data-table th {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-secondary);
}

[data-theme="light"] .data-table tr:hover {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .toast {
    background: #ffffff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ================================================================
   LAYOUT PRINCIPAL
   ================================================================ */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
    padding-top: calc(var(--header-height) + 20px);
    transition: margin-left var(--transition-normal);
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed);
}

/* ================================================================
   SIDEBAR
   ================================================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    transition: width var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: white;
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-highlight));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-normal);
}

.sidebar.collapsed .sidebar-title {
    opacity: 0;
    width: 0;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 10px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 25px;
}

.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 0 15px;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    margin-bottom: 5px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-item:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.nav-item i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item span {
    overflow: hidden;
    transition: opacity var(--transition-normal);
}

.sidebar.collapsed .nav-item span {
    opacity: 0;
    width: 0;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

/* ================================================================
   HEADER
   ================================================================ */
.header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 999;
    transition: left var(--transition-normal);
}

.header.sidebar-collapsed {
    left: var(--sidebar-collapsed);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.toggle-sidebar {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.toggle-sidebar:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-highlight));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.user-name {
    font-size: 0.9rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ================================================================
   CARDS Y CONTENEDORES
   ================================================================ */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--accent-primary);
}

.card h4 {
    color: var(--text-primary);
    font-weight: 600;
}

/* ================================================================
   KPI CARDS
   ================================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--kpi-color, var(--accent-primary));
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow-color);
}

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.kpi-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--kpi-color, var(--accent-primary)), rgba(var(--kpi-color-rgb, 67, 97, 238), 0.5));
    color: white;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.kpi-change {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.kpi-change.positive {
    color: var(--color-success);
}

.kpi-change.negative {
    color: var(--color-danger);
}

/* KPI Colors */
.kpi-card.ingresos {
    --kpi-color: var(--color-info);
}

.kpi-card.gastos-personales {
    --kpi-color: var(--color-danger);
}

.kpi-card.gastos-divididos {
    --kpi-color: var(--color-warning);
}

.kpi-card.beneficio {
    --kpi-color: var(--color-success);
}

.kpi-card.activos {
    --kpi-color: #20c997;
}

.kpi-card.pasivos {
    --kpi-color: #e94560;
}

/* ================================================================
   GRÁFICOS
   ================================================================ */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1200px) {
    .chart-row {
        grid-template-columns: 1fr;
    }
}

/* ================================================================
   TABLAS
   ================================================================ */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-sm);
}

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

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-table);
}

.data-table th {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table td {
    color: var(--text-table);
}

.data-table .amount {
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.data-table .amount.positive {
    color: var(--color-success);
}

.data-table .amount.negative {
    color: var(--color-danger);
}

/* ================================================================
   FORMULARIOS
   ================================================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23a0aec0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 40px;
}

/* ================================================================
   BOTONES
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), #00b085);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), #e94560);
    color: white;
}

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

.btn-outline:hover {
    background: var(--glass-bg);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

/* ================================================================
   BADGES Y ESTADOS
   ================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.badge-success {
    background: rgba(0, 208, 156, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-warning);
}

.badge-danger {
    background: rgba(255, 107, 107, 0.2);
    color: var(--color-danger);
}

.badge-info {
    background: rgba(77, 171, 247, 0.2);
    color: var(--color-info);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.success {
    background: var(--color-success);
}

.status-dot.warning {
    background: var(--color-warning);
}

.status-dot.danger {
    background: var(--color-danger);
}

/* ================================================================
   PROGRESS BARS (Presupuesto)
   ================================================================ */
.progress-container {
    margin-top: 10px;
}

.progress-bar-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 10px;
    transition: width var(--transition-normal);
}

.progress-bar-fill.success {
    background: linear-gradient(90deg, var(--color-success), #00e6af);
}

.progress-bar-fill.warning {
    background: linear-gradient(90deg, var(--color-warning), #ffd43b);
}

.progress-bar-fill.danger {
    background: linear-gradient(90deg, var(--color-danger), #ff8787);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-top: 5px;
    color: var(--text-secondary);
}

/* ================================================================
   MODALES
   ================================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
}

/* ================================================================
   TOAST NOTIFICATIONS
   ================================================================ */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    box-shadow: 0 10px 40px var(--shadow-color);
    transform: translateX(120%);
    transition: transform var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
}

.toast-icon {
    font-size: 1.2rem;
}

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

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

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

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

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

/* ================================================================
   LOGIN PAGE
   ================================================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 15px;
}

.login-logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-highlight));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo p {
    color: var(--text-secondary);
    margin-top: 5px;
}

.login-tabs {
    display: flex;
    margin-bottom: 25px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px;
}

.login-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.login-tab.active {
    background: var(--accent-primary);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .header {
        left: 0;
    }

    .chart-row {
        grid-template-columns: 1fr;
    }
}

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

    .header-date {
        display: none;
    }

    .user-name {
        display: none;
    }

    .modal-content {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
}

/* ================================================================
   UTILIDADES
   ================================================================ */
.text-success {
    color: var(--color-success) !important;
}

.text-danger {
    color: var(--color-danger) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-info {
    color: var(--color-info) !important;
}

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

.bg-success {
    background-color: var(--color-success) !important;
}

.bg-danger {
    background-color: var(--color-danger) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

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

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

.w-100 {
    width: 100%;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* ================================================================
   TOGGLE TEMA (Light/Dark)
   ================================================================ */
.theme-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    padding: 0 4px;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
}

.theme-toggle-slider {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    transition: transform var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    left: 3px;
}

.theme-toggle-slider i {
    font-size: 10px;
    color: white;
}

[data-theme="light"] .theme-toggle-slider {
    transform: translateX(23px);
}

.theme-toggle-icons {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0 5px;
}

.theme-toggle-icons i {
    font-size: 10px;
    color: var(--text-muted);
}

.theme-toggle-icons .fa-moon {
    opacity: 1;
}

.theme-toggle-icons .fa-sun {
    opacity: 0.5;
}

[data-theme="light"] .theme-toggle-icons .fa-moon {
    opacity: 0.5;
}

[data-theme="light"] .theme-toggle-icons .fa-sun {
    opacity: 1;
}