:root {
    --primary-color: #019cbe;
    --primary-hover: #01829e;
    --sidebar-bg: #2c3338;
    --sidebar-hover: #3a4248;
    --bg-light: #f4f7f6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    height: 100vh;
    background-color: var(--sidebar-bg);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 20px;
    text-align: center;
    background-color: #ffffff;
}

.nav-link {
    color: #adb5bd;
    padding: 15px 20px;
    transition: all 0.3s;
    border-left: 4px solid transparent;
    cursor: pointer;
}

.nav-link:hover, .nav-link.active {
    color: white;
    background-color: var(--sidebar-hover);
    border-left: 4px solid var(--primary-color);
}

.nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

/* Top Navbar */
.topbar {
    background-color: white;
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-dropdown .dropdown-toggle {
    color: #333;
    text-decoration: none;
    font-weight: 500;
}

.btn-primary-custom {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

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

/* Status Badges */
.badge-Generada { background-color: #dc3545; color: white; } /* Rojo */
.badge-Enviada { background-color: #ffc107; color: black; } /* Amarillo */
.badge-Pagada { background-color: #198754; color: white; } /* Verde */

/* Card Styles */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #eee;
    padding: 20px;
    font-weight: 600;
    border-radius: 10px 10px 0 0 !important;
}

/* Table Styles */
.table th {
    font-weight: 600;
    color: #555;
    border-top: none;
}

.table td {
    vertical-align: middle;
}

/* Footer */
.footer {
    margin-top: auto;
    padding: 20px;
    text-align: center;
    background-color: white;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
    }
    .sidebar.active {
        margin-left: 0;
    }
    .main-content {
        margin-left: 0;
    }
    .main-content.active {
        margin-left: 250px;
    }
    .mobile-toggle {
        display: block !important;
    }
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}