/* Estilos Generales */
:root {
    --primary-color: #c00;
    --primary-dark: #a00;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #007bff;
    --background-light: #f0f2f5;
    --text-dark: #333;
    --text-light: #555;
    --white: #ffffff;
    --border-color: #ddd;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-light);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    color: var(--text-dark);
    padding: 20px 0;
}

/* Contenedor Principal y Dashboards */
#main-container, .dashboard {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    box-sizing: border-box;
}

.hidden {
    display: none !important;
}

/* --- Estilos de la Pantalla de Login --- */
.login-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    align-items: flex-start;
}

.login-box {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 350px;
    text-align: center;
    border-top: 4px solid var(--primary-color);
}

.title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
    transition: border-color 0.3s;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: var(--primary-dark);
}

.error-message {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 14px;
    min-height: 1em;
    display: none;
}

.error-message.show {
    display: block;
}

.info-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-box {
    background-color: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    width: 280px;
}

.info-box h2 { font-size: 18px; margin-top: 0; margin-bottom: 15px; border-bottom: 1px solid #eee; padding-bottom: 10px; }
.info-box p { margin: 5px 0; }
.info-box small { color: #999; font-size: 12px; }
.dollar-rate .rate { font-size: 28px; font-weight: 700; color: var(--success-color); }
.weather .temperature { font-size: 28px; font-weight: 700; color: var(--info-color); }

/* --- Estilos de los Dashboards --- */
.dashboard { background-color: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #eee; padding-bottom: 20px; margin-bottom: 20px; }
.dashboard-header h1 { margin: 0; font-size: 24px; }
.logout-button { padding: 10px 20px; background-color: var(--secondary-color); color: var(--white); border: none; border-radius: 6px; cursor: pointer; font-size: 14px; transition: background-color 0.3s; }
.logout-button:hover { background-color: #5a6268; }
.dashboard-content { display: flex; flex-direction: column; gap: 20px; }
.dashboard-content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.main-content-area, .sidebar-area { display: flex; flex-direction: column; gap: 20px; }

.card { background-color: #f8f9fa; padding: 20px; border-radius: 8px; border: 1px solid #e9ecef; }
.card h3 { margin-top: 0; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; margin-bottom: 15px; }
.card p { line-height: 1.6; }
.card .balance { margin-top: 15px; font-size: 18px; font-weight: 700; color: var(--primary-color); }

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

.search-container {
    flex-grow: 1;
}
#client-search-input, #collector-client-search {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

/* Estilos de Tablas */
table { width: 100%; border-collapse: collapse; margin-top: 15px; }
th, td { border: 1px solid var(--border-color); padding: 12px; text-align: left; vertical-align: middle; }
th { background-color: #e9ecef; font-weight: 700; }

.button-manage, .button-register-payment { padding: 8px 12px; background-color: var(--info-color); color: var(--white); border: none; border-radius: 5px; cursor: pointer; transition: background-color 0.3s; }
.button-manage:hover, .button-register-payment:hover { background-color: #0056b3; }
.button-new-client { padding: 10px 15px; background-color: var(--success-color); color: var(--white); border: none; border-radius: 5px; cursor: pointer; transition: background-color 0.3s; font-weight: 500; }
.button-new-client:hover { background-color: #218838; }

.status-late { background-color: var(--danger-color); color: var(--white); padding: 3px 8px; border-radius: 12px; font-size: 12px; font-weight: 500; margin-left: 8px; }
.late-warning { background-color: #fff3cd; border: 1px solid #ffeeba; color: #856404; padding: 15px; border-radius: 8px; margin-bottom: 15px; }
.late-fee-section { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.button-danger { width: 100%; padding: 12px; background-color: var(--danger-color); color: var(--white); border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: 700; margin-top: 10px; transition: background-color 0.3s; }
.button-danger:hover { background-color: #c82333; }
.transaction-late-fee td { color: var(--danger-color); font-weight: 500; }

.pending-payment-row {
    background-color: #fffbe6;
}
.button-approve {
    padding: 6px 10px;
    background-color: var(--success-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 5px;
}
.button-approve:hover { background-color: #218838; }
.button-reject {
    padding: 6px 10px;
    background-color: var(--danger-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.button-reject:hover { background-color: #c82333; }

/* --- Estilos del Modal --- */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); display: flex; justify-content: center; align-items: center; z-index: 1000; overflow-y: auto; padding: 20px 0;}
.modal-content { background-color: var(--white); padding: 25px; border-radius: 8px; width: 90%; max-width: 450px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); }
.modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-bottom: 20px; }
.modal-header h2 { margin: 0; font-size: 22px; }
.close-modal-button { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-light); }
.modal-info { font-size: 12px; color: var(--text-light); text-align: center; margin-top: 15px; }
.button-primary { width: 100%; padding: 12px; background-color: var(--primary-color); color: var(--white); border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: 700; margin-top: 10px; transition: background-color 0.3s; }
.button-primary:hover { background-color: var(--primary-dark); }
.button-secondary { background-color: var(--secondary-color); }
.button-secondary:hover { background-color: #5a6268; }
.form-navigation { display: flex; justify-content: space-between; margin-top: 20px; }

#plan-options-container { display: flex; flex-direction: column; gap: 15px; }
.plan-option { display: block; border: 1px solid var(--border-color); border-radius: 8px; padding: 15px; cursor: pointer; transition: border-color 0.3s, box-shadow 0.3s; }
.plan-option:hover { border-color: var(--info-color); }
.plan-option input[type="radio"] { display: none; }
.plan-option input[type="radio"]:checked + .plan-details { border-color: var(--primary-color); box-shadow: 0 0 0 2px var(--primary-color); }
.plan-details h4 { margin: 0 0 10px 0; color: var(--text-dark); }
.plan-details p { margin: 4px 0; font-size: 14px; color: var(--text-light); }
.plan-details .plan-total { font-weight: bold; color: var(--success-color); }

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 2000;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.show {
    opacity: 1;
    transform: translateY(0);
}
.toast.success {
    background-color: var(--success-color);
}
.toast.error {
    background-color: var(--danger-color);
}

/* Media Queries para Responsividad */
@media (max-width: 768px) {
    .dashboard-content-grid { grid-template-columns: 1fr; }
    .login-container { flex-direction: column; align-items: center; }
    .admin-actions { flex-direction: column; align-items: stretch; gap: 10px; }
}

/* --- NUEVO: Estilos para el Dashboard Financiero Integrado --- */
.kpi-card {
    background-color: #ffffff;
    border-radius: 0.5rem;
    padding: 1rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}
.kpi-title {
    color: #6b7280; /* text-gray-500 */
    font-weight: 600; /* font-semibold */
    font-size: 0.875rem; /* text-sm */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.kpi-value {
    font-size: 1.875rem; /* text-3xl */
    font-weight: 700; /* font-bold */
    margin-top: 0.5rem;
}
.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}