@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #8408CB;
    --primary-dark: #6200A3;
    --primary-light: #A030E0;
    --primary-ultra-light: #F3E5FF;
    --bg: #EDD9FF;
    --text-main: #1A0033;
    --text-sub: #5A3080;
    --border: #D4A8F0;
    --shadow: rgba(132,8,203,0.18);
    --error: #E53935;
    --success: #2E7D32;
    --success-bg: #E8F5E9;
}
* { box-sizing: border-box; margin: 0; padding: 0; }

body { font-family: 'Sarabun', sans-serif; background: var(--bg); min-height: 100vh; color: var(--text-main); }

/* HEADER */
.site-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
    padding: 18px 40px; display: flex; align-items: center; gap: 18px;
    box-shadow: 0 4px 24px rgba(100,0,160,0.3); position: relative; overflow: hidden;
}
.site-header::before { content:''; position:absolute; top:-50px; right:-20px; width:240px; height:240px; border-radius:50%; background:rgba(255,255,255,0.08); }
.site-header::after  { content:''; position:absolute; bottom:-60px; right:18%; width:260px; height:130px; border-radius:50%; background:rgba(255,255,255,0.05); }
.header-logo { width:70px; height:70px; object-fit:contain; filter:drop-shadow(0 2px 8px rgba(0,0,0,0.35)); flex-shrink:0; z-index:1; border-radius:50%; background:rgba(255,255,255,0.15); padding:3px; }
.header-text { z-index:1; }
.header-text h1 { color:#fff; font-size:1.4rem; font-weight:700; text-shadow:0 1px 4px rgba(0,0,0,0.2); }
.header-text p  { color:rgba(255,255,255,0.82); font-size:0.9rem; margin-top:3px; }
.header-right   { margin-left:auto; z-index:1; display:flex; gap:10px; align-items:center; }
.btn-header { display:inline-flex; align-items:center; gap:7px; background:rgba(255,255,255,0.15); color:#fff; padding:8px 16px; border-radius:8px; text-decoration:none; font-size:0.88rem; font-weight:600; border:1px solid rgba(255,255,255,0.25); transition:all 0.2s; }
.btn-header:hover { background:rgba(255,255,255,0.26); }

/* PAGE WRAPPER */
.page-wrapper { display:flex; justify-content:center; align-items:flex-start; padding:40px 20px 60px; min-height:calc(100vh - 106px); }

/* CARD */
.card { background:#fff; border-radius:18px; box-shadow:0 10px 48px var(--shadow),0 2px 8px rgba(0,0,0,0.06); width:100%; max-width:640px; overflow:hidden; }
.card-wide { max-width:960px; }
.card-header { background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%); padding:22px 28px; display:flex; align-items:center; gap:16px; }
.card-header-icon { background:rgba(255,255,255,0.22); border-radius:12px; padding:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.card-header-icon i { color:#fff; font-size:1.4rem; }
.card-header-text h2 { color:#fff; font-size:1.2rem; font-weight:700; }
.card-header-text p  { color:rgba(255,255,255,0.82); font-size:0.85rem; margin-top:3px; }
.card-body { padding:30px 28px; }

/* FORM */
.form-row  { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:18px; }
.form-group label { display:flex; align-items:center; gap:7px; font-size:0.9rem; font-weight:600; color:var(--text-sub); margin-bottom:7px; }
.form-group label i { color:var(--primary); font-size:0.85rem; }
.required { color:var(--error); font-size:0.8rem; margin-left:2px; }
input[type="text"],input[type="email"],input[type="tel"],input[type="password"],textarea,select { width:100%; padding:11px 14px; border:1.5px solid var(--border); border-radius:9px; font-family:'Sarabun',sans-serif; font-size:0.95rem; color:var(--text-main); background:#FAFAFA; transition:all 0.2s; outline:none; }
input:focus,textarea:focus,select:focus { border-color:var(--primary); background:#fff; box-shadow:0 0 0 3px rgba(132,8,203,0.12); }
textarea { resize:vertical; min-height:100px; line-height:1.6; }

.file-upload-wrap { border:2px dashed var(--border); border-radius:9px; padding:16px; background:#FAFAFA; transition:all 0.2s; }
.file-upload-wrap:hover { border-color:var(--primary); background:var(--primary-ultra-light); }
.file-upload-wrap input[type="file"] { border:none; background:none; padding:0; font-size:0.9rem; }
.file-help { font-size:0.82rem; color:#888; margin-top:6px; display:flex; align-items:center; gap:5px; }
.file-help i { color:var(--primary); }
.current-file { margin-top:8px; font-size:0.85rem; color:var(--text-sub); }
.current-file a { color:var(--primary); text-decoration:none; }

/* BUTTONS */
.btn-primary { background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%); color:#fff; padding:14px 20px; border:none; border-radius:9px; cursor:pointer; font-family:'Sarabun',sans-serif; font-size:1.05rem; font-weight:700; width:100%; display:flex; justify-content:center; align-items:center; gap:10px; transition:all 0.25s; box-shadow:0 4px 18px rgba(132,8,203,0.38); }
.btn-primary:hover { background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%); transform:translateY(-2px); box-shadow:0 7px 24px rgba(132,8,203,0.48); }
.btn-secondary { background:var(--primary-ultra-light); color:var(--primary); padding:9px 18px; border:1.5px solid var(--border); border-radius:8px; cursor:pointer; font-family:'Sarabun',sans-serif; font-size:0.88rem; font-weight:600; display:inline-flex; align-items:center; gap:7px; text-decoration:none; transition:all 0.2s; }
.btn-secondary:hover { background:#E8D0FF; border-color:var(--primary); }

/* ALERTS */
.alert-success { background:var(--success-bg); border:1px solid #A5D6A7; color:var(--success); border-radius:10px; padding:14px 18px; margin-bottom:22px; display:flex; align-items:center; gap:10px; font-weight:600; }
.alert-error   { background:#FFEBEE; border:1px solid #FFCDD2; color:var(--error); border-radius:10px; padding:14px 18px; margin-bottom:22px; display:flex; align-items:center; gap:10px; font-weight:600; }

/* FOOTER */
.site-footer { text-align:center; padding:18px; color:var(--text-sub); font-size:0.82rem; opacity:0.7; }

/* ADMIN */
.admin-wrapper { padding:30px 24px; max-width:1200px; margin:0 auto; }
.admin-toolbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; flex-wrap:wrap; gap:12px; }
.page-title { font-size:1.35rem; font-weight:700; color:var(--text-main); display:flex; align-items:center; gap:10px; }
.page-title i { color:var(--primary); }
.stat-badge { background:var(--primary-ultra-light); color:var(--primary); border:1px solid var(--border); border-radius:20px; padding:5px 15px; font-size:0.85rem; font-weight:600; }
.table-card { background:#fff; border-radius:16px; box-shadow:0 4px 28px var(--shadow); overflow:hidden; }
table { width:100%; border-collapse:collapse; }
thead { background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%); }
thead th { color:#fff; font-weight:600; padding:14px 16px; text-align:left; font-size:0.88rem; white-space:nowrap; }
tbody tr { border-bottom:1px solid #F0E6FF; transition:background 0.15s; }
tbody tr:last-child { border-bottom:none; }
tbody tr:hover { background:#FAF0FF; }
tbody td { padding:12px 16px; font-size:0.9rem; color:var(--text-main); vertical-align:middle; }
.actions { display:flex; gap:8px; flex-wrap:wrap; }
.btn-view { background:#E3F2FD; color:#1565C0; border:1px solid #BBDEFB; padding:5px 12px; border-radius:6px; font-size:0.82rem; font-weight:600; text-decoration:none; display:inline-flex; align-items:center; gap:5px; transition:all 0.2s; white-space:nowrap; }
.btn-view:hover { background:#BBDEFB; }
.btn-edit { background:#FFF8E1; color:#E65100; border:1px solid #FFE082; padding:5px 12px; border-radius:6px; font-size:0.82rem; font-weight:600; text-decoration:none; display:inline-flex; align-items:center; gap:5px; transition:all 0.2s; white-space:nowrap; }
.btn-edit:hover { background:#FFE082; }
.btn-del  { background:#FFEBEE; color:#C62828; border:1px solid #FFCDD2; padding:5px 12px; border-radius:6px; font-size:0.82rem; font-weight:600; text-decoration:none; display:inline-flex; align-items:center; gap:5px; transition:all 0.2s; white-space:nowrap; }
.btn-del:hover { background:#FFCDD2; }

/* DETAIL */
.detail-grid { display:grid; gap:14px; }
.detail-grid-2 { grid-template-columns:1fr 1fr; }
.detail-item { background:#FAFAFA; border:1px solid var(--border); border-radius:10px; padding:14px 18px; }
.detail-item .detail-label { font-size:0.8rem; font-weight:700; color:var(--text-sub); margin-bottom:5px; display:flex; align-items:center; gap:7px; text-transform:uppercase; letter-spacing:0.5px; }
.detail-item .detail-label i { color:var(--primary); }
.detail-item .detail-value { font-size:0.95rem; color:var(--text-main); line-height:1.6; }
.section-divider { display:flex; align-items:center; gap:10px; margin:22px 0 14px; color:var(--primary); font-size:0.88rem; font-weight:700; letter-spacing:0.5px; text-transform:uppercase; }
.section-divider::before,.section-divider::after { content:''; flex:1; height:1px; background:var(--border); }

/* LOGIN */
.login-page { display:flex; justify-content:center; align-items:center; min-height:100vh; background:linear-gradient(135deg,#EDD9FF 0%,#DFB8FF 50%,#EDD9FF 100%); }
.login-card { background:#fff; border-radius:22px; box-shadow:0 24px 64px rgba(132,8,203,0.22),0 4px 16px rgba(0,0,0,0.08); padding:44px 38px; width:100%; max-width:390px; }
.login-logo-wrap { text-align:center; margin-bottom:30px; }
.login-logo { width:90px; height:90px; object-fit:contain; margin-bottom:14px; border-radius:50%; background:var(--primary-ultra-light); padding:6px; box-shadow:0 4px 16px rgba(132,8,203,0.18); }
.login-title    { font-size:1.25rem; font-weight:700; color:var(--primary); }
.login-subtitle { font-size:0.85rem; color:var(--text-sub); margin-top:4px; }

/* SUCCESS */
.confirm-card { text-align:center; padding:44px 28px; }
.confirm-icon { width:84px; height:84px; background:linear-gradient(135deg,var(--primary),var(--primary-light)); border-radius:50%; display:flex; align-items:center; justify-content:center; margin:0 auto 22px; box-shadow:0 6px 24px rgba(132,8,203,0.32); }
.confirm-icon i { color:#fff; font-size:2.4rem; }
.confirm-title { font-size:1.5rem; font-weight:700; color:var(--primary); margin-bottom:12px; }
.confirm-text  { color:var(--text-sub); line-height:1.8; font-size:0.95rem; }

@media (max-width:640px) {
    .site-header { padding:14px 16px; gap:12px; }
    .header-logo { width:52px; height:52px; }
    .header-text h1 { font-size:1.05rem; }
    .form-row { grid-template-columns:1fr; gap:0; }
    .card-body { padding:20px; }
    .admin-wrapper { padding:16px 12px; }
    .actions { flex-direction:column; }
    .login-card { padding:32px 22px; }
    .header-right { display:none; }
    .detail-grid-2 { grid-template-columns:1fr; }
}