/* Portal สาธารณะ — โทนเขียว–เหลืองมหาวิทยาลัย */
:root {
    --brand: #1b7a1b;
    --brand-deep: #006400;
    --brand-dark: #004d00;
    --brand-soft: #e8f5e9;
    --brand-line: #c8e6c9;
    --accent-yellow: #ffd600;
    --accent-yellow-deep: #f9a825;
    --accent-yellow-soft: #fff8e1;
    --ink: #1a1a1a;
    --muted: #5f6b66;
    --line: #d7ddd9;
    --surface: #ffffff;
    --canvas: #f5f7f5;
    --shadow: 0 2px 10px rgba(0, 100, 0, .08);
    --radius: 16px;
    --radius-sm: 10px;
    --font: "Sarabun", "Noto Sans Thai", "Segoe UI", Tahoma, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(1200px 480px at 10% -10%, rgba(0, 100, 0, .10), transparent 55%),
        radial-gradient(900px 420px at 100% 0%, rgba(249, 168, 37, .08), transparent 50%),
        linear-gradient(180deg, #f7faf7 0%, var(--canvas) 42%, #eef2ef 100%);
    background-attachment: fixed;
    color: var(--ink);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-deep); transition: color .15s ease; }
a:hover { color: var(--brand-dark); }

.skip-link {
    position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
    position: fixed; left: 12px; top: 12px; width: auto; height: auto;
    background: #fff; color: var(--brand-deep); padding: 10px 14px; border-radius: 8px;
    z-index: 9999; box-shadow: var(--shadow);
}

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: linear-gradient(90deg, var(--brand-deep) 0%, var(--brand) 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
    border-bottom: 3px solid var(--accent-yellow);
}
.site-header-inner {
    max-width: 1120px; margin: 0 auto; padding: 12px 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; min-width: 0; }
.brand-logo {
    height: 52px; width: auto; background: #fff; padding: 4px 6px; border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
}
.brand-badge {
    width: 48px; height: 48px; border-radius: 14px; background: rgba(255,255,255,.16);
    display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.05rem;
    border: 1px solid rgba(255,255,255,.28);
}
.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-text strong { font-size: 1.02rem; letter-spacing: .01em; font-weight: 700; }
.brand-text small { opacity: .9; font-size: .8rem; font-weight: 500; }

.site-nav { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.site-nav a {
    color: rgba(255,255,255,.92); text-decoration: none; font-size: .86rem; font-weight: 600;
    padding: 8px 13px; border-radius: 999px; transition: background .18s ease, transform .18s ease;
}
.site-nav a:hover { background: rgba(255,255,255,.16); color: #fff; transform: translateY(-1px); }
.site-nav a.active {
    background: var(--accent-yellow); color: var(--brand-dark); font-weight: 700;
}
.site-main { max-width: 1120px; margin: 0 auto; padding: 22px 18px 48px; }

body.page-login {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(900px 420px at 12% 0%, rgba(0,100,0,.16), transparent 55%),
        radial-gradient(700px 380px at 100% 8%, rgba(255,214,0,.18), transparent 48%),
        linear-gradient(180deg, #eef6ee 0%, #f5f7f5 45%, #e8eee8 100%);
}
body.page-login .site-header { position: sticky; }
body.page-login .site-main {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: none;
    width: 100%;
    padding: 36px 16px;
}
body.page-login .site-footer {
    margin-top: 0;
    flex-shrink: 0;
}
body.page-login .site-footer-compact { padding: 14px 20px 12px; }
body.page-login .site-footer-compact .footer-grid { display: none; }
body.page-login .site-footer-compact .footer-bottom {
    margin: 0 auto; padding-top: 0; border-top: none; justify-content: center; text-align: center;
}
.page-card {
    background: var(--surface);
    border-radius: calc(var(--radius) + 2px);
    padding: 22px 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, .9);
    position: relative;
    overflow: hidden;
    animation: portal-rise .45s ease both;
}
@keyframes portal-rise {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}
.page-card::before {
    content: "";
    position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: linear-gradient(90deg, var(--brand-deep), var(--accent-yellow) 55%, transparent);
}
.page-card + .page-card { margin-top: 18px; }
.page-title {
    margin: 0 0 6px; font-size: clamp(1.25rem, 2.4vw, 1.55rem);
    color: var(--ink); font-weight: 700; letter-spacing: -.01em;
}
.page-lead { margin: 0 0 18px; color: var(--muted); font-size: .94rem; max-width: 62ch; }

.info-bar {
    display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 12px 16px;
    background: linear-gradient(135deg, var(--brand-soft), #fff);
    border: 1px solid var(--brand-line); border-radius: 14px;
    margin-bottom: 18px; font-size: .86rem; color: var(--brand-dark);
    box-shadow: 0 4px 16px rgba(0, 100, 0, .06);
}
.info-bar span { line-height: 1.45; }
.info-bar span:last-child {
    flex-basis: 100%;
    padding-top: 4px;
    border-top: 1px dashed #c8e6c9;
}

.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-weight: 600; color: #334155; font-size: .9rem; }
.form-group .hint { font-size: .78rem; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
    padding: 11px 13px; border: 1px solid #d5dbe3; border-radius: var(--radius-sm);
    font-size: .94rem; background: #f8fafc; width: 100%; font-family: inherit;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.form-group input:hover, .form-group select:hover, .form-group textarea:hover {
    background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--brand-deep); background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 100, 0, .14);
}
.form-group input:focus-visible, .form-group select:focus-visible, .form-group textarea:focus-visible,
.btn-primary:focus-visible, .site-nav a:focus-visible {
    outline: 2px solid var(--brand-deep);
    outline-offset: 2px;
}
.form-group textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
.form-note {
    font-size: .82rem; color: var(--muted); background: #f8fafc; border-radius: var(--radius-sm);
    padding: 10px 12px; border: 1px dashed #cbd5e1; margin-top: 8px;
}
.btn-primary {
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    color: #fff; border: none; border-radius: 12px;
    padding: 13px 26px; font-weight: 700; font-size: 1rem; cursor: pointer;
    font-family: inherit;
    box-shadow: 0 8px 20px rgba(0, 100, 0, .22);
    transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-primary:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 100, 0, .28);
}
.btn-secondary {
    display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
    border-radius: var(--radius-sm); padding: 10px 16px; font-weight: 600; font-size: .92rem;
    transition: background .15s ease, transform .15s ease;
}
.btn-secondary:hover { background: var(--brand-deep); color: #fff; transform: translateY(-1px); }

.alert { padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: .92rem; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #e8f5e9; color: #006400; border: 1px solid #c8e6c9; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
    border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
    background: #fff; transition: border-color .15s ease, box-shadow .15s ease;
}
.faq-item:hover { border-color: var(--brand-line); box-shadow: 0 4px 16px rgba(15,23,42,.04); }
.faq-item summary {
    padding: 14px 16px; font-weight: 700; cursor: pointer; background: #f8fafc;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { background: var(--brand-soft); color: var(--brand-dark); }
.faq-body { padding: 14px 16px; color: #475569; font-size: .93rem; line-height: 1.65; }

.site-footer {
    background: linear-gradient(180deg, #004d00, #003300);
    color: #d7e8d7; margin-top: 36px; padding: 36px 20px 22px;
}
.footer-grid {
    max-width: 1120px; margin: 0 auto; display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; font-size: .88rem;
}
.footer-grid strong { color: #f1f5f9; display: block; margin-bottom: 8px; font-weight: 700; }
.footer-grid a { color: var(--accent-yellow); text-decoration: none; }
.footer-grid a:hover { color: #ffe566; }
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-bottom {
    max-width: 1120px; margin: 24px auto 0; padding-top: 16px; border-top: 1px solid rgba(255,214,0,.25);
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: .78rem; color: #c8e6c9;
}

.login-wrap {
    min-height: calc(100vh - 120px); display: flex; align-items: center; justify-content: center; padding: 24px;
    width: 100%;
}
body.page-login .login-wrap {
    min-height: 0;
    padding: 0;
}
.page-bare .site-main-bare { padding: 0; max-width: none; }
.login-card {
    background: #fff; padding: 34px 32px 28px; border-radius: 20px; width: 100%; max-width: 400px;
    box-shadow: 0 18px 50px rgba(0, 77, 0, .14);
    border: 2px solid var(--brand-deep);
    position: relative; overflow: hidden;
    animation: portal-rise .5s ease both;
}
.login-card::before {
    content: ""; position: absolute; inset: 0 0 auto 0; height: 7px;
    background: linear-gradient(90deg, var(--brand-deep) 0 55%, var(--accent-yellow) 55% 100%);
}
.login-card::after {
    content: ""; position: absolute; inset: auto 0 0 0; height: 5px;
    background: var(--accent-yellow);
}
.login-card h1 { margin: 0 0 8px; font-size: 1.3rem; text-align: center; font-weight: 700; color: var(--ink); }
.login-card .lead { text-align: center; color: var(--muted); font-size: .88rem; margin-bottom: 20px; line-height: 1.55; }
.login-card--staff { max-width: 420px; }
.login-card-logo {
    display: block; width: 78px; height: 78px; object-fit: contain; margin: 4px auto 16px;
    background: #fff; padding: 6px; border-radius: 50%;
    border: 2px solid var(--brand-line);
    box-shadow: 0 4px 14px rgba(0, 100, 0, .1);
}
.login-card-icon {
    width: 54px; height: 54px; margin: 0 auto 14px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, var(--brand-soft), #fff);
    border-radius: 14px; border: 1px solid var(--brand-line); color: var(--brand-deep);
    box-shadow: 0 4px 14px rgba(0, 100, 0, .08);
}
.login-card-icon svg { width: 26px; height: 26px; }
.login-form .form-group { margin-bottom: 14px; }
.login-form .form-group:last-of-type { margin-bottom: 18px; }
.login-submit {
    width: 100%; padding: 12px 16px; font-size: 1rem; border-radius: 12px;
}
.login-back {
    margin: 18px 0 0; text-align: center; font-size: .88rem;
}
.login-back a {
    color: var(--muted); text-decoration: none; font-weight: 600;
    transition: color .15s ease;
}
.login-back a:hover { color: var(--brand-deep); }
.login-card .form-group input {
    transition: border-color .15s ease, box-shadow .15s ease;
}
.faq-item { transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.faq-item[open] { transform: translateY(-1px); }

.badge {
    display: inline-block; padding: 4px 10px; border-radius: 999px;
    font-size: .8rem; font-weight: 700;
}
.badge-waiting { background: #fef3c7; color: #92400e; }
.badge-process { background: #dbeafe; color: #1e40af; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-parts { background: #ede9fe; color: #5b21b6; }
.badge-reject { background: #ffedd5; color: #9a3412; }
.badge-cancel { background: #e2e8f0; color: #475569; }
.badge-approval { background: #fef3c7; color: #b45309; }
.alert-warn { background: #ffedd5; color: #9a3412; border: 1px solid #fed7aa; }
.alert-parts { background: #ede9fe; color: #5b21b6; border: 1px solid #ddd6fe; }
.btn-danger {
    background: #dc2626; color: #fff; border: none; border-radius: var(--radius-sm);
    padding: 12px 16px; font-weight: 700; cursor: pointer; font-family: inherit;
    transition: background .15s ease, transform .15s ease;
}
.btn-danger:hover { background: #b91c1c; transform: translateY(-1px); }
.btn-block { display: block; width: 100%; text-align: center; box-sizing: border-box; }

/* หน้ารายละเอียดเคส (view_case) */
.case-view { max-width: 720px; margin: 0 auto; }
.case-back { margin: 0 0 16px; }
.case-back a { font-weight: 600; text-decoration: none; color: var(--brand-deep); }
.case-back a:hover { text-decoration: underline; }
.case-staff-hint { margin-bottom: 16px; font-size: .88rem; }

.case-post { padding: 0; overflow: visible; }
.case-post .post-header { padding: 20px 22px 0; display: flex; gap: 12px; align-items: center; }
.case-post .post-body { padding: 12px 22px 22px; }
.case-post .post-meta h2 { font-size: 1rem; font-weight: 700; margin: 0 0 2px; }
.case-post .post-meta small { color: var(--muted); font-size: .85rem; }
.case-post .post-text { font-size: 1rem; line-height: 1.55; margin-bottom: 12px; white-space: pre-wrap; }
.case-post .post-location { color: var(--muted); font-size: .9rem; margin-bottom: 12px; line-height: 1.65; }
.case-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.2rem; color: #fff; flex-shrink: 0;
}
.case-avatar.user { background: linear-gradient(135deg, var(--brand-deep), var(--brand)); }
.case-avatar.admin { background: linear-gradient(135deg, var(--brand), var(--brand-deep)); }
.case-avatar.sm { width: 36px; height: 36px; font-size: .95rem; }

.case-reject-note {
    background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412;
    padding: 12px 14px; border-radius: var(--radius-sm); margin: 12px 0; font-size: .92rem;
}
.case-parts-note {
    background: #f5f3ff; border: 1px solid #ddd6fe; color: #5b21b6;
    padding: 12px 14px; border-radius: var(--radius-sm); margin: 12px 0; font-size: .92rem;
}
.case-approval-meta {
    margin-top: 10px; padding: 10px 12px; background: var(--accent-yellow-soft);
    border: 1px solid #fde68a; border-radius: var(--radius-sm); font-size: .88rem; color: #92400e;
}
.case-checklist {
    margin-top: 12px; padding: 12px 14px; background: #f8fafc;
    border: 1px solid var(--line); border-radius: var(--radius-sm);
    font-size: .92rem; line-height: 1.65;
}
.case-checklist .muted { color: var(--muted); font-size: .88rem; }

.case-approve h3 { margin: 0 0 8px; color: #92400e; font-size: 1rem; }
.case-approve .hint { color: var(--muted); font-size: .85rem; margin-bottom: 12px; }
.case-approve {
    background: linear-gradient(135deg, var(--accent-yellow-soft), #fff);
    border-color: #fde68a;
}
.case-approve textarea {
    width: 100%; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: var(--radius-sm);
    font: inherit; box-sizing: border-box; background: #fff; margin-bottom: 8px;
}
.case-approve textarea:focus {
    outline: none; border-color: var(--brand-deep);
    box-shadow: 0 0 0 3px rgba(0, 100, 0, .12);
}
.case-priority { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0; }
.case-priority label {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px;
    border: 2px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; font-weight: 600;
}
.case-priority label:has(input:checked) { border-color: var(--brand-deep); background: var(--brand-soft); }

.case-manage h3 { font-size: 1rem; margin: 0 0 4px; }
.case-manage .hint { color: var(--muted); font-size: .85rem; margin-bottom: 12px; }
.case-manage .field-label { display: block; font-weight: 600; margin: 10px 0 6px; font-size: .9rem; }
.case-manage select, .case-manage textarea, .case-manage input[type="text"] {
    width: 100%; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: var(--radius-sm);
    font: inherit; box-sizing: border-box; background: #f8fafc;
}
.case-manage select:focus, .case-manage textarea:focus, .case-manage input[type="text"]:focus {
    outline: none; border-color: var(--brand-deep); background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 100, 0, .12);
}
.case-parts-grid { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 10px; }
.case-parts-grid label {
    display: inline-flex; align-items: center; gap: 6px; font-weight: 500;
    background: #f5f3ff; border: 1px solid #ddd6fe; border-radius: 999px;
    padding: 6px 12px; margin: 0; cursor: pointer; font-size: .85rem; color: #5b21b6;
}
.case-extra { display: none; margin-top: 8px; }
.case-extra.show { display: block; }
.case-progress {
    background: linear-gradient(135deg, #eff6ff, var(--brand-soft));
    border: 1px solid var(--brand-line); border-radius: var(--radius);
    padding: 14px 18px; margin-bottom: 16px;
}
.case-progress strong { color: var(--brand-dark); display: block; margin-bottom: 6px; }
.case-progress p { color: #334155; font-size: .95rem; line-height: 1.5; white-space: pre-wrap; margin: 0; }
.case-progress small { color: var(--muted); font-size: .82rem; }

.case-comments { padding: 0; overflow: visible; }
.case-comments .section-title {
    padding: 14px 22px; border-bottom: 1px solid var(--line);
    font-weight: 700; color: var(--ink);
}
.case-comment-list { padding: 8px 16px; }
.case-comment { display: flex; gap: 10px; padding: 8px 6px; }
.case-bubble {
    background: #f0f2f5; border-radius: 18px;
    padding: 10px 14px; max-width: calc(100% - 50px);
}
.case-bubble.admin { background: var(--brand-soft); }
.case-bubble.system { background: #eff6ff; border: 1px solid #bfdbfe; }
.case-author { font-weight: 700; font-size: .88rem; margin-bottom: 2px; color: var(--brand-deep); }
.case-text { font-size: .95rem; line-height: 1.45; white-space: pre-wrap; }
.case-time { font-size: .75rem; color: var(--muted); margin-top: 4px; }
.case-no-comments { color: var(--muted); padding: 16px; text-align: center; font-size: .92rem; }
.case-reply-box { padding: 12px 22px 22px; border-top: 1px solid var(--line); }
.case-reply-box h3 { font-size: .95rem; margin: 0 0 10px; color: var(--ink); }
.case-reply-form textarea {
    width: 100%; min-height: 90px; border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm); padding: 12px; font-size: .95rem;
    resize: vertical; font-family: inherit; background: #f8fafc;
}
.case-reply-form textarea:focus {
    outline: none; border-color: var(--brand-deep); background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 100, 0, .12);
}
.case-reply-actions { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.case-reply-actions .btn-primary { margin-left: auto; padding: 10px 18px; font-size: .92rem; }

.case-feedback .stars { color: #f59e0b; font-size: 1.1rem; }
.case-feedback .muted { color: var(--muted); font-size: .92rem; margin-top: 8px; }
.btn-muted { background: #64748b; color: #fff; border: none; border-radius: var(--radius-sm);
    padding: 12px 18px; font-weight: 700; cursor: pointer; font-family: inherit; }
.btn-muted:hover { background: #475569; }

.priority-urgent { background: #fee2e2; color: #991b1b; padding: 3px 8px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.priority-normal { background: #e8f5e9; color: #006400; padding: 3px 8px; border-radius: 999px; font-size: .75rem; font-weight: 700; }

@media (max-width: 768px) {
    .site-header { position: static; }
    .site-header-inner { flex-direction: column; align-items: stretch; }
    .site-nav { justify-content: center; }
    .form-row { grid-template-columns: 1fr; }
    .brand-logo { height: 44px; }
    .page-card { padding: 16px 14px; border-radius: 14px; }
    .site-main { padding: 16px 12px 36px; }
}