/* ===== RESET ===== */
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Be Vietnam Pro", Arial, sans-serif;
    background: #f8f5f5;
    color: #1c0d0d;
}
a { text-decoration: none; color: inherit; }

/* ===== VARIABLES ===== */
:root {
    --primary: #d60505;
    --border: #e6dcdc;
    --bg-card: #ffffff;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

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

.row {
    display: flex;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ===== HEADER ===== */
.header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 12px 0;
}
.logo {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary);
}
.nav a {
    margin-left: 18px;
    font-size: 14px;
    font-weight: 600;
}
.nav a:hover { color: var(--primary); }

/* ===== MOBILE MENU TOGGLE ===== */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== DROPDOWN TOGGLE BUTTON ===== */
.dropdown-toggle {
    display: none;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: #fff;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        padding: 70px 0 20px;
        transition: right 0.3s ease;
        overflow-y: auto;
        z-index: 1000;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav > a {
        display: block;
        margin: 0;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
        transition: background 0.2s;
    }
    
    .nav > a:hover {
        background: #f9f9f9;
    }
    
    .nav-dropdown {
        margin: 0;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-dropdown .nav-link {
        display: block;
        padding: 16px 20px;
        border: none;
        font-size: 15px;
        color: #1c0d0d;
        position: relative;
        padding-right: 50px;
        transition: background 0.2s;
    }
    
    .nav-dropdown .nav-link:hover {
        background: #f9f9f9;
    }
    
    .dropdown-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        right: 0;
        top: 0;
        width: 50px;
        height: 100%;
        background: transparent;
        border: none;
        border-left: 1px solid var(--border);
        cursor: pointer;
        font-size: 12px;
        color: var(--primary);
        transition: all 0.3s ease;
    }
    
    .dropdown-toggle:active {
        background: #f0f0f0;
    }
    
    .nav-dropdown.open .dropdown-toggle {
        transform: rotate(180deg);
        background: #fef2f2;
    }
    
    .nav-dropdown .dropdown-content {
        position: static;
        display: none;
        background: #fafafa;
        box-shadow: none;
        border-top: 1px solid var(--border);
    }
    
    .nav-dropdown .dropdown-content a {
        padding: 12px 20px 12px 40px;
        font-size: 14px;
        color: #555;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-dropdown .dropdown-content a:last-child {
        border-bottom: none;
    }
    
    .nav-dropdown .dropdown-content a:hover {
        background: #fff;
        color: var(--primary);
    }
    
    .nav-dropdown.open .dropdown-content {
        display: block !important;
    }
    
    body.menu-open {
        overflow: hidden;
    }
}

/* ===== CARD ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.card-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 800;
    text-transform: uppercase;
}

.card-body {
    padding: 16px;
}

/* ===== TABLE MB ===== */
.table-xoso {
    width: 100%;
    border-collapse: collapse;
}
.table-xoso th {
    width: 140px;
    background: #fafafa;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    padding: 10px;
    text-align: left;
    font-weight: 600;
    color: #555;
}
.table-xoso td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
    text-align: center;
}
.number {
    font-weight: 700;
    letter-spacing: 2px;
}
.number.db {
    font-size: 32px;
    color: var(--primary);
}

/* ===== MN / MT ===== */
.province-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.province-head {
    padding: 8px;
    font-weight: 700;
    text-align: center;
    background: #f1f1f1;
}
.province-body {
    padding: 12px;
}
.province-body .db {
    text-align: center;
    font-size: 26px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 8px;
}

/* ===== ASIDE ===== */
.aside {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

/* ===== FOOTER ===== */
.footer {
    margin-top: 40px;
    padding: 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: #666;
    text-align: center;
}