:root {
    --bg-base: #0f172a;
    --bg-surface: rgba(30, 41, 59, 0.7);
    --bg-surface-hover: rgba(30, 41, 59, 0.9);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-purple: #8b5cf6;
    --accent-purple-hover: #7c3aed;
    --accent-teal: #14b8a6;
    --accent-blue: #3b82f6;
    --danger: #ef4444;
    --success: #10b981;
    --border-glass: rgba(255, 255, 255, 0.1);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-theme {
    --bg-base: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.8);
    --bg-surface-hover: rgba(255, 255, 255, 0.95);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-glass: rgba(0, 0, 0, 0.1);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(20, 184, 166, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.app-container { display: flex; min-height: 100vh; }

.sidebar {
    width: 260px;
    background: var(--bg-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-glass);
    display: flex; flex-direction: column;
    padding: 24px 0;
    position: fixed; height: 100vh; z-index: 50;
    transition: var(--transition);
}

.logo { display: flex; align-items: center; gap: 12px; padding: 0 24px 32px; }
.logo-icon {
    width: 40px; height: 40px; border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}
.logo h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }

.main-nav { display: flex; flex-direction: column; gap: 8px; padding: 0 16px; }
.nav-item {
    display: flex; align-items: center; gap: 16px; padding: 12px 16px;
    color: var(--text-secondary); text-decoration: none;
    border-radius: 12px; font-weight: 500; transition: var(--transition);
}
.nav-item i { font-size: 18px; width: 24px; text-align: center; }
.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.nav-item.active {
    background: rgba(139, 92, 246, 0.1); color: var(--accent-purple);
    border-left: 3px solid var(--accent-purple);
}

.main-content {
    flex: 1; margin-left: 260px; padding: 32px; max-width: 1200px; width: 100%;
}

.view-section { display: none; animation: fadeIn 0.3s ease-in-out; }
.view-section.active { display: block; }

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

.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px; }
.section-header h2 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.subtitle { color: var(--text-secondary); font-size: 14px; }

.glass {
    background: var(--bg-surface); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass); border-radius: 20px; box-shadow: var(--shadow-glass);
}

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-bottom: 32px; }
.stat-card { padding: 24px; display: flex; align-items: center; gap: 20px; transition: transform 0.3s ease; }
.stat-card:hover { transform: translateY(-5px); }
.stat-icon {
    width: 56px; height: 56px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.stat-icon.purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.stat-icon.teal { background: rgba(20,184,166,0.15); color: var(--accent-teal); }
.stat-icon.blue { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.stat-details h3 { font-size: 14px; color: var(--text-secondary); font-weight: 500; margin-bottom: 4px; }
.stat-value { font-size: 28px; font-weight: 700; }

.goal-section { padding: 24px; margin-bottom: 32px; }
.goal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.goal-header h3 { font-size: 18px; font-weight: 600; }
.text-sm { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.badge { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-purple { background: rgba(139,92,246,0.2); color: #c4b5fd; }
.badge-teal { background: rgba(20,184,166,0.2); color: #5eead4; }
.badge-blue { background: rgba(59,130,246,0.2); color: #93c5fd; }
.badge-orange { background: rgba(245,158,11,0.2); color: #fcd34d; }

.progress-bar-bg { width: 100%; height: 12px; background: rgba(255,255,255,0.05); border-radius: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent-purple), var(--accent-teal)); border-radius: 6px; transition: width 1s cubic-bezier(0.4, 0, 0.2, 1); }

.content-card, .recent-section { padding: 24px; }
.section-header-small { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.section-header-small h3 { font-size: 18px; font-weight: 600; }
.table-responsive { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th {
    color: var(--text-secondary); font-size: 13px; font-weight: 500; text-transform: uppercase;
    letter-spacing: 0.5px; padding: 12px 16px; border-bottom: 1px solid var(--border-glass);
}
.data-table td { padding: 16px; border-bottom: 1px solid rgba(255,255,255,0.02); font-size: 15px; vertical-align: middle; white-space: nowrap; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

.btn-primary {
    background: var(--accent-purple); color: white; border: none; padding: 10px 20px;
    border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer;
    transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; font-family: inherit;
}
.btn-primary:hover { background: var(--accent-purple-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(139,92,246,0.4); }
.btn-danger { background: var(--danger); color: white; border: none; padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.btn-danger:hover { background: #dc2626; }
.btn-small { padding: 6px 12px; font-size: 12px; border-radius: 6px; }
.btn-text { background: transparent; border: none; color: var(--accent-teal); font-weight: 500; cursor: pointer; }
.btn-text:hover { text-decoration: underline; }
.btn-block { width: 100%; justify-content: center; padding: 14px; font-size: 16px; }

.form-group { margin-bottom: 20px; }
.form-row { display: flex; gap: 16px; }
.form-group.half { flex: 1; }
label { display: block; margin-bottom: 8px; font-size: 14px; color: var(--text-secondary); font-weight: 500; }
.form-control {
    width: 100%; background: rgba(0,0,0,0.2); border: 1px solid var(--border-glass);
    color: var(--text-primary); padding: 12px 16px; border-radius: 10px;
    font-family: inherit; font-size: 15px; transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--accent-purple); box-shadow: 0 0 0 3px rgba(139,92,246,0.2); }

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); display: flex;
    align-items: center; justify-content: center; z-index: 100;
    opacity: 0; pointer-events: none; transition: var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.glass-modal {
    background: var(--bg-surface); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass); border-radius: 24px; width: 90%; max-width: 450px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4); transform: translateY(20px) scale(0.95); transition: var(--transition);
}
.modal-overlay.active .glass-modal { transform: translateY(0) scale(1); }
.modal-header { padding: 24px; border-bottom: 1px solid var(--border-glass); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { font-size: 20px; font-weight: 600; }
.close-btn {
    background: rgba(255,255,255,0.1); border: none; color: var(--text-secondary); width: 32px; height: 32px;
    border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.close-btn:hover { background: rgba(255,255,255,0.2); color: white; }
.modal-body { padding: 24px; }
.info-box { background: rgba(0,0,0,0.2); padding: 16px; border-radius: 12px; border: 1px solid var(--border-glass); }
.info-label { font-size: 13px; color: var(--text-secondary); }
.info-value { font-size: 16px; font-weight: 600; }
.info-value.highlight { color: var(--accent-teal); font-size: 20px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 16px; }

.desktop-only { display: block; } .mobile-only { display: none; } .mobile-topbar { display: none; }

.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(100px);
    background: var(--accent-teal); color: #000; padding: 12px 24px; border-radius: 30px;
    font-weight: 600; box-shadow: 0 10px 20px rgba(20,184,166,0.3); transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); z-index: 1000;
}
.toast.show { transform: translateX(-50%) translateY(0); }

@media (max-width: 768px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: flex; }
    .sidebar {
        width: 100%; height: auto; bottom: 0; top: auto; flex-direction: row; padding: 0;
        border-right: none; border-top: 1px solid var(--border-glass); background: var(--bg-surface-hover);
    }
    .main-nav { 
        flex-direction: row; 
        width: 100%; 
        justify-content: flex-start; 
        padding: 8px; 
        overflow-x: auto; 
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .main-nav::-webkit-scrollbar { display: none; }
    .nav-item { flex-direction: column; gap: 4px; padding: 8px; border-radius: 12px; flex: 0 0 auto; min-width: 72px; align-items: center; }
    .nav-item.active { border-left: none; border-bottom: none; background: rgba(139, 92, 246, 0.15); }
    .nav-label { font-size: 11px; white-space: nowrap; } .nav-item i { font-size: 20px; }
    .main-content { margin-left: 0; padding: 80px 16px 100px 16px; }
    .mobile-topbar {
        display: flex; justify-content: space-between; align-items: center; position: fixed;
        top: 0; left: 0; width: 100%; padding: 10px 16px; background: var(--bg-surface);
        backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 40; border-bottom: 1px solid var(--border-glass);
    }
    .mobile-topbar .logo { padding: 0; }
    .mobile-topbar .logo h2 { font-size: 20px; margin: 0; color: var(--text-primary); }
    .icon-btn { background: transparent; border: none; color: var(--text-primary); font-size: 20px; cursor: pointer; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
    .section-header h2 { font-size: 24px; }
    .stats-grid { grid-template-columns: 1fr; gap: 16px; }
    .fab {
        position: fixed; bottom: 80px; right: 20px; width: 56px; height: 56px; border-radius: 50%;
        background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue)); color: white; border: none;
        font-size: 24px; box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4); display: flex; align-items: center; justify-content: center; z-index: 60; cursor: pointer;
    }
}

/* Subtabs Módulo de Pagos */
.subtabs-container {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 16px;
}

.subtab-btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.subtab-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.subtab-btn.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.desglose-donor-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 16px;
    padding: 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
}

.desglose-item-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.desglose-item-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}