/* ========================================================
   GESTOR DE ASOCIACIONES - DESIGN SYSTEM & MAIN STYLES
   ======================================================== */

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.15);
    --secondary-color: #8b5cf6;
    --secondary-hover: #7c3aed;
    
    --income-color: #10b981;
    --income-bg: rgba(16, 185, 129, 0.12);
    --expense-color: #ef4444;
    --expense-bg: rgba(239, 68, 68, 0.12);
    
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.85);
    --bg-card-hover: rgba(51, 65, 85, 0.9);
    --bg-input: rgba(15, 23, 42, 0.7);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.18);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    
    --shadow-subtle: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

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

/* Reset & Global */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(30, 27, 75, 0.7) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(15, 23, 42, 0.9) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

/* Layout App Shell */
#app-container {
    display: flex;
    width: 100vw;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 270px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 8px 24px 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: white;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
    object-fit: cover;
}

.brand-name {
    font-size: 17px;
    line-height: 1.2;
}
.brand-name small {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    margin-top: 2px;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    overflow-y: auto;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-item a svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: var(--transition);
}

.nav-item a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active a {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
}

.nav-item.active a svg {
    stroke: white;
}

/* User Footer Profile in Sidebar */
.user-footer {
    padding: 16px 8px 0 8px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-highlight);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary-color);
}

.user-details strong {
    font-size: 13px;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
}

.user-details span {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: capitalize;
}

.btn-logout-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.btn-logout-icon:hover {
    color: var(--expense-color);
    background: var(--expense-bg);
}

/* Main Content Wrapper */
.main-wrapper {
    margin-left: 270px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Navbar */
.top-navbar {
    height: 70px;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-title-area h2 {
    font-size: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Year Selector Pill */
.year-selector-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    font-size: 13px;
}

.year-selector-box label {
    color: var(--text-muted);
    font-weight: 500;
}

.year-selector-box select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    outline: none;
    cursor: pointer;
}
.year-selector-box select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* Main Content Container */
.content-body {
    padding: 32px;
    flex: 1;
}

/* Cards System */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Grid Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.metric-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}
.metric-card.metric-income::before { background: var(--income-color); }
.metric-card.metric-expense::before { background: var(--expense-color); }
.metric-card.metric-purple::before { background: var(--secondary-color); }

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

.metric-data span {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.metric-data h3 {
    font-size: 24px;
    margin-top: 2px;
}

/* Table Styling */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.custom-table th {
    background: rgba(15, 23, 42, 0.8);
    color: var(--text-muted);
    font-weight: 600;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.8px;
}

.custom-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.custom-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: 600;
}
.badge-income { background: var(--income-bg); color: var(--income-color); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-expense { background: var(--expense-bg); color: var(--expense-color); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }

/* Buttons & Inputs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
    background: var(--expense-bg);
    color: var(--expense-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}
.filter-inputs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    transform: scale(0.95);
    transition: var(--transition);
}
.modal-overlay.active .modal-card {
    transform: scale(1);
}

/* Toasts / Notifications */
#toast-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    max-width: 90vw;
}
.toast {
    padding: 14px 24px;
    border-radius: var(--radius-md);
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid var(--border-highlight);
    color: var(--text-primary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    animation: slideDown 0.3s ease-out;
}
.toast-error {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #fca5a5;
}
.toast-success {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #6ee7b7;
}
@keyframes slideDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Explicative Info Notice */
.info-notice {
    background: rgba(59, 130, 246, 0.1);
    border: 1px dashed rgba(59, 130, 246, 0.4);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 13px;
    color: #93c5fd;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Botón de Menú Móvil (Hamburguesa) */
.btn-sidebar-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-highlight);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--primary-color);
}

/* Telón de Fondo para Menú Móvil */
.sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
}

/* Tablas Adaptables para Pantallas Pequeñas */
.table-responsive,
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
}

/* Adaptabilidad Responsive General (Teléfonos y Tablets) */
@media (max-width: 900px) {
    .btn-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }
    .sidebar.open, .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 16px !important;
    }

    .top-navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .metrics-grid,
    .dashboard-charts,
    .grid-2,
    .grid-4,
    .form-grid {
        grid-template-columns: 1fr !important;
    }

    .modal-card {
        width: 95vw !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
        padding: 20px !important;
    }

    .login-card {
        padding: 24px !important;
        max-width: 95vw !important;
    }
}

@media (max-width: 600px) {
    .top-navbar {
        padding: 12px;
    }
    
    .content-body {
        padding: 12px 0;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .card-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}