/* การนำเข้า Google Fonts สำหรับภาษาไทย (Sarabun และ Prompt/Kanit สำหรับหัวข้อ) */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;600;700&family=Prompt:wght@700&display=swap');

:root { 
    --bg:#f7fafc; 
    --card:#fff; 
    --text:#1a202c; 
    --muted:#6b7280; 
    --brand:#2563eb; 
    --ok:#059669; 
    --warn:#b45309; 
    --err:#b91c1c; 

    /* สีหลักของคณะสงฆ์: สีทอง */
    --gold: #C79A00; 
    --dark-gold: #A37E00;
    --primary: var(--gold); 
}
* { box-sizing:border-box; }

body { 
    margin:0; 
    font-family:'Sarabun', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; 
    background:var(--bg); 
    color:var(--text); 
}
h1, h2 { font-family: 'Prompt', sans-serif; }

a { color:var(--primary); text-decoration:none; transition: color 0.2s; }
a:hover { color:var(--dark-gold); }

.container { max-width:1100px; margin:0 auto; padding:16px; }

/* -------------------- Navigation Bar -------------------- */
.nav { 
    background: linear-gradient(120deg, #fce7f3, #fffbe0); 
    border-bottom:1px solid #e2e8f0; 
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.nav .container { 
    display:flex; 
    align-items:center; 
    gap:16px; 
    justify-content: space-between; 
}
.brand a { font-weight:700; font-size:24px; color:var(--text); }
.brand span { color:var(--primary); }

.nav nav {
    display: flex; 
    gap: 20px; 
    align-items: center;
}

.nav nav a { 
    margin-right:0; 
    padding: 10px 0; 
    display: block; 
    font-weight: 600; 
    white-space: nowrap; 
    transition: color 0.2s, border-bottom 0.2s;
}
.nav nav a.active { color:var(--primary); border-bottom: 3px solid var(--primary); padding-bottom: 7px; }
.nav nav a:hover { color:var(--dark-gold); }

.right { margin-left:auto; display:flex; align-items:center; gap:12px; }

/* -------------------- Form / General Elements -------------------- */
.btn { 
    display:inline-block; 
    background:var(--primary); 
    color:#fff; 
    padding:10px 18px; 
    border-radius:8px; 
    font-weight: 600;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}
.btn:hover { background:var(--dark-gold); }

.card { 
    background:var(--card); 
    border:1px solid #e5e7eb; 
    border-radius:12px; 
    padding:24px; 
    box-shadow:0 6px 15px rgba(0,0,0,.05); 
}
.grid { display:grid; gap:16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.input, select { 
    width:100%; 
    padding:10px 12px; 
    border:1px solid #e5e7eb; 
    border-radius:8px; 
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.input:focus, select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(199, 154, 0, 0.2);
}
label { display:block; font-weight:600; margin-top:12px; color:var(--muted); }
.row { display:flex; gap:16px; }
.row > * { flex:1; }

.table { width:100%; border-collapse:collapse; }
.table th, .table td { padding:12px 10px; border-bottom:1px solid #e5e7eb; text-align: left;}
.table th { background-color: #f3f4f6; font-weight: 600; }

.flash { margin:16px 0; padding:12px 16px; border-radius:8px; font-weight: 600; }
.flash.success { background:#ecfdf5; border:1px solid #a7f3d0; color: var(--ok); }
.flash.error { background:#fef2f2; border:1px solid #fecaca; color: var(--err); }
.flash.info { background: #e0f2fe; border: 1px solid #93c5fd; color: #1e40af; }
.mt { margin-top:24px; }
.center { text-align:center; }

/* -------------------- Form Specific (Register/Status) -------------------- */
.reg-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap:20px; 
    align-items:start;
}
.reg-actions{ margin-top:20px; }
.btn-full{ min-width:180px; } 

.mini{ font-size:14px; color:var(--muted); margin-top: 4px; }
.required-star { color: var(--err); font-weight: 700; margin-left: 4px; }

/* -------------------- Responsive Adjustments -------------------- */
@media (max-width: 768px){
    .nav .container { flex-direction: column; align-items: flex-start; gap: 0; }
    .brand { margin-bottom: 5px; margin-top: 5px; }

    .nav nav { 
        width: 100%; 
        display: flex; 
        flex-direction: column; 
        align-items: stretch; 
        gap: 0; 
        border-top: 1px solid #e2e8f0;
        padding-top: 8px;
    }
    .nav nav a { padding: 8px 0; border-bottom: none !important; }

    .reg-grid{ grid-template-columns: 1fr; gap:15px; }
    .btn-full{ width:100%; }
}