:root {
    --primary: #1E3A8A;
    --primary-light: #3b82f6;
    --action: #14B8A6;
    --bg-light: #faf8ff;
    --text-dark: #1a1b21;
    --text-muted: #444651;
    --white: #ffffff;
    --radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    color: var(--primary);
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #172554;
    transform: translateY(-1px);
}

.btn-action {
    background-color: var(--action);
    color: var(--white);
}

.btn-action:hover {
    background-color: #0d9488;
}

/* Navbar */
.navbar {
    background-color: var(--white);
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link img {
    height: 80px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #eeedf4;
}
/* Responsive Layouts */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .nav-links .btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .card {
        padding: 16px;
    }
}

/* Utils for dynamic grids */
.responsive-grid {
    display: grid;
    gap: 20px;
}

@media (min-width: 769px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
    .grid-sidebar { grid-template-columns: 300px 1fr; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-sidebar { grid-template-columns: 1fr; }
}

/* Tables responsiveness */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
}

.flex-stack {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.responsive-grid-admin {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
}

.responsive-grid-1-2 {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .flex-stack {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .responsive-grid-admin, .responsive-grid-1-2 {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
}