:root {
    --primary-color: #651199;
    --secondary-color: #bb8d1a;
    --danger-color: #e74c3c;
    --bg-color: #f8f9fa;
    --card-shadow: 0 12px 24px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-color);
    margin: 0;
    font-family: 'Kantumruy Pro', 'Khmer OS Battambang', sans-serif;
    color: #333;
}

/* Header - ធ្វើឱ្យរាងមូលស្អាតជាងមុន */
.header-home {
    text-align: center;
    padding: 80px 20px 100px 20px;
    background: linear-gradient(135deg, #651199 0%, #a450e6 100%);
    color: white;
    border-radius: 0 0 40px 40px;
    margin-bottom: 20px;
}

.header-home h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0;
}

.header-home p {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-top: 8px;
}

/* Dashboard Container */
.dashboard-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    width: 92%;
    max-width: 1000px;
    margin: -60px auto 40px auto; /* ឲ្យវាអណ្តែតលើ Header */
}

/* Menu Card Styling */
.menu-card {
    background: white;
    padding: 35px 20px;
    border-radius: 24px;
    text-align: center;
    text-decoration: none;
    color: #2c3e50;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(0,0,0,0.03);
}

.menu-card:active {
    transform: scale(0.95); /* Effect ពេលចុចលើទូរស័ព្ទ */
}

/* Icon Box */
.icon-box {
    width: 90px;
    height: 90px;
    background: #f4e8ff;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    transition: var(--transition);
}

.menu-card i {
    font-size: 40px; /* រូបតំណាងធំច្បាស់ */
    color: var(--primary-color);
}

.menu-card span {
    font-size: 1.3rem; /* អក្សរធំងាយអាន */
    font-weight: 700;
}

/* Logout Style */
.logout-card .icon-box { background: #ffe9e9; }
.logout-card i, .logout-card span { color: var(--danger-color); }

/* ការរៀបចំសម្រាប់ទូរស័ព្ទ (Responsive) */
@media (max-width: 600px) {
    .header-home { padding: 60px 15px 90px 15px; }
    .header-home h1 { font-size: 1.8rem; }
    
    .dashboard-container {
        grid-template-columns: 1fr; /* បង្ហាញម្ដងមួយៗធំៗ */
        gap: 15px;
        margin-top: -50px;
    }

    .menu-card {
        padding: 25px;
        flex-direction: row; /* ប្ដូរមកផ្ដេកវិញសម្រាប់ទូរស័ព្ទ ដើម្បីកុំឱ្យវែងពេក */
        text-align: left;
        justify-content: flex-start;
    }

    .icon-box {
        width: 65px;
        height: 65px;
        margin-bottom: 0;
        margin-right: 20px;
        border-radius: 18px;
    }

    .menu-card i { font-size: 30px; }
    .menu-card span { font-size: 1.2rem; }
}