/* ==========================================================
   e-Sarabun — Modern Education Dashboard theme
   สีทั้งหมดอิงตัวแปร --brand / --accent (เปลี่ยนธีมได้) + รองรับโหมดมืด
   ========================================================== */
:root {
  /* สีธีมหลัก 2 สี (กำหนดจากระบบ: Settings/Theme) — สีอื่นคำนวณต่อจากนี้ */
  --brand:    #1d3f8a;
  --accent:   #d9a520;

  --navy-700: var(--brand);
  --navy-800: color-mix(in srgb, var(--brand) 80%, #000);
  --navy-900: color-mix(in srgb, var(--brand) 52%, #000);
  --navy-50:  color-mix(in srgb, var(--brand) 9%, #fff);
  --navy-200: color-mix(in srgb, var(--brand) 28%, #fff);
  --gold:     var(--accent);
  --gold-50:  color-mix(in srgb, var(--accent) 13%, #fff);
  --gold-ink: #1b1404;
  --ring:     color-mix(in srgb, var(--brand) 14%, transparent);

  --bg:        #f5f7fb;
  --surface:   #ffffff;
  --surface-2: #f4f6fa;
  --border:    #e6eaf2;
  --input-border: #dbe2ee;
  --text:      #1f2a44;
  --muted:     #6b7690;
  --radius:    14px;
  --shadow:    0 1px 2px rgba(16,33,71,.04), 0 4px 16px rgba(16,33,71,.06);
  --sidebar-w: 264px;

  --bs-body-font-family: 'Sarabun', system-ui, sans-serif;
  --bs-body-color: var(--text);
  --bs-body-bg: var(--surface);
  --bs-border-color: var(--border);
  --bs-link-color: var(--brand);
  --bs-link-hover-color: var(--navy-800);
}

/* โหมดมืด */
[data-bs-theme="dark"] {
  --bg:        #0f1420;
  --surface:   #171d2b;
  --surface-2: #1e2636;
  --border:    #2a3347;
  --input-border: #34405a;
  --text:      #e5e9f2;
  --muted:     #9aa5bd;
  --navy-50:   color-mix(in srgb, var(--brand) 24%, #171d2b);
  --navy-200:  color-mix(in srgb, var(--brand) 45%, #171d2b);
  --gold-50:   color-mix(in srgb, var(--accent) 16%, #171d2b);
  --shadow:    0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  --bs-body-color: var(--text);
  --bs-body-bg: var(--surface);
  --bs-border-color: var(--border);
  --bs-link-color: color-mix(in srgb, var(--brand) 45%, #fff);
  --bs-secondary-color: var(--muted);
  --bs-tertiary-bg: var(--surface-2);
}
[data-bs-theme="dark"] a { color: var(--bs-link-color); }
[data-bs-theme="dark"] .doc-number { color: color-mix(in srgb, var(--brand) 40%, #fff); }
[data-bs-theme="dark"] .stat-value, [data-bs-theme="dark"] .big-number { color: var(--text); }
[data-bs-theme="dark"] .nav-item-link.active { background: rgba(255,255,255,.08); }

html { font-size: 15.5px; }
body { background: var(--bg); color: var(--text); font-family: 'Sarabun', system-ui, sans-serif; }
h1, h2, h3, h4, h5, h6, .font-head, .btn, .nav-section, .stat-value, .doc-number { font-family: 'Prompt', 'Sarabun', sans-serif; }
a { color: var(--bs-link-color); }

/* Buttons */
.btn { border-radius: 10px; font-weight: 500; }
.btn-primary { --bs-btn-bg: var(--navy-700); --bs-btn-border-color: var(--navy-700); --bs-btn-hover-bg: var(--navy-800); --bs-btn-hover-border-color: var(--navy-800); --bs-btn-active-bg: var(--navy-900); }
.btn-outline-primary { --bs-btn-color: var(--navy-700); --bs-btn-border-color: var(--navy-200); --bs-btn-active-bg: var(--navy-800); --bs-btn-hover-bg: var(--navy-700); --bs-btn-hover-border-color: var(--navy-700); }
.btn-gold { background: var(--gold); color: var(--gold-ink); border: 0; }
.btn-gold:hover { background: color-mix(in srgb, var(--gold) 85%, #000); color: var(--gold-ink); }
.btn-icon { width: 40px; height: 40px; display: inline-grid; place-items: center; font-size: 1.4rem; border-radius: 10px; }
.btn-light { --bs-btn-bg: var(--surface-2); --bs-btn-border-color: var(--surface-2); --bs-btn-color: var(--text); --bs-btn-hover-bg: var(--border); --bs-btn-hover-border-color: var(--border); --bs-btn-hover-color: var(--text); }

/* Layout */
.app { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); background: linear-gradient(180deg, var(--navy-900), var(--navy-800)); color: rgba(255,255,255,.78); display: flex; flex-direction: column; }
@media (min-width: 992px) {
  .sidebar { position: sticky; top: 0; height: 100vh; flex-shrink: 0; }
}
@media (max-width: 991.98px) {
  .sidebar.offcanvas-lg { --bs-offcanvas-width: 280px; --bs-offcanvas-bg: var(--navy-900); }
}
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 20px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-logo { width: 42px; height: 42px; border-radius: 12px; background: var(--gold); color: var(--gold-ink); display: grid; place-items: center; font-size: 1.3rem; flex-shrink: 0; }
/* โลโก้ SVG (เปลี่ยนสีตามธีม) */
.brand-logo-svg { background: none; border-radius: 23%; box-shadow: 0 0 0 1px rgba(255,255,255,.18), 0 4px 12px rgba(0,0,0,.25); }
.brand-logo-svg .logo-svg { width: 100%; height: 100%; display: block; }
.brand-title { font-family: 'Prompt'; color: #fff; font-weight: 600; font-size: 1.1rem; line-height: 1.1; }
.brand-sub { font-size: .8rem; color: rgba(255,255,255,.62); }
.sidebar-nav { padding: 10px 12px; overflow-y: auto; flex: 1; }
.nav-section { font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.5); margin: 16px 10px 6px; }
.nav-item-link { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; color: rgba(255,255,255,.84) !important; text-decoration: none; margin-bottom: 2px; transition: background .15s; }
.nav-item-link i { font-size: 1.1rem; width: 20px; text-align: center; }
.nav-item-link:hover { background: rgba(255,255,255,.08); color: #fff !important; }
.nav-item-link.active { background: color-mix(in srgb, var(--gold) 20%, transparent); color: #fff !important; box-shadow: inset 3px 0 0 var(--gold); }
.nav-item-link.active i { color: var(--gold); }
.sidebar-footer { padding: 14px 20px; font-size: .85rem; border-top: 1px solid rgba(255,255,255,.08); }
.badge-year { background: var(--gold); color: var(--gold-ink); border-radius: 999px; padding: 2px 10px; font-weight: 600; margin-left: 4px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 1020; display: flex; align-items: center; gap: 10px; padding: 12px 24px; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.topbar-title { min-width: 0; }
.t-small { font-size: .78rem; color: var(--muted); }
.t-page { font-size: 1.25rem; margin: 0; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip { display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 999px; padding: 4px 12px 4px 4px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--navy-700); color: #fff; display: grid; place-items: center; font-weight: 600; font-size: .9rem; }
.content { padding: 24px; flex: 1; }
.app-footer { padding: 16px 24px; font-size: .8rem; color: var(--muted); }
@media (max-width: 575.98px) {
  .content { padding: 16px; }
  .topbar { padding: 10px 16px; }
  .t-page { font-size: 1.05rem; }
}

/* Cards */
.card { background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { background: transparent; border-bottom: 1px solid var(--border); padding: 14px 18px; font-family: 'Prompt'; font-weight: 500; }
.card-body { padding: 18px; }
.card-title-sm { font-family: 'Prompt'; font-size: 1rem; font-weight: 500; margin: 0; }

.stat-card { display: flex; flex-direction: row; gap: 14px; align-items: center; padding: 18px; height: 100%; }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 1.35rem; flex-shrink: 0; }
.stat-label { color: var(--muted); font-size: .88rem; }
.stat-value { font-size: 1.6rem; font-weight: 600; line-height: 1.2; color: var(--text); }
.stat-sub { font-size: .8rem; color: var(--muted); }
.ic-navy { background: var(--navy-50); color: var(--navy-700); }
.ic-gold { background: var(--gold-50); color: color-mix(in srgb, var(--gold) 70%, #000); }
.ic-green { background: color-mix(in srgb, #12804f 12%, var(--surface)); color: #1a9a60; }
.ic-violet { background: color-mix(in srgb, #6a5ad6 14%, var(--surface)); color: #6a5ad6; }

/* Tables */
.table { --bs-table-bg: transparent; --bs-table-color: var(--text); --bs-table-hover-bg: var(--surface-2); --bs-table-hover-color: var(--text); margin-bottom: 0; }
.table > thead th { background: var(--surface-2); color: var(--muted); font-weight: 600; font-size: .86rem; white-space: nowrap; border-bottom: 1px solid var(--border); }
.table td { vertical-align: middle; }
.table-sm td, .table-sm th { padding: .55rem .6rem; }
.th-sort { color: inherit; text-decoration: none; }
.th-sort:hover { color: var(--navy-700); }
.doc-number { font-weight: 600; color: var(--navy-800); white-space: nowrap; }
.cell-clip { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.group-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.group-pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: .85rem; background: var(--surface-2); white-space: nowrap; }

/* Forms */
.form-control, .form-select { border-radius: 10px; border-color: var(--input-border); background-color: var(--surface); color: var(--text); padding: .55rem .8rem; }
.form-control:focus, .form-select:focus { border-color: var(--navy-200); box-shadow: 0 0 0 .2rem var(--ring); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }
.form-check-input:focus { border-color: var(--navy-200); box-shadow: 0 0 0 .2rem var(--ring); }
.input-group-text { background: var(--surface-2); border-color: var(--input-border); color: var(--muted); }
.bg-soft { background: var(--surface-2); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--brand); }
.form-label { font-weight: 500; margin-bottom: .35rem; }
.req::after { content: ' *'; color: #d63939; }
.filter-bar .form-control, .filter-bar .form-select { padding: .45rem .7rem; }

.group-option { position: relative; }
.group-option input { position: absolute; opacity: 0; }
.group-option label { display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--border); border-radius: 12px; padding: 12px 14px; cursor: pointer; background: var(--surface); height: 100%; transition: all .15s; }
.group-option label:hover { border-color: var(--navy-200); }
.group-option input:checked + label { border-color: var(--navy-700); background: var(--navy-50); box-shadow: 0 0 0 3px var(--ring); }
.group-option input:focus-visible + label { outline: 2px solid var(--navy-700); outline-offset: 2px; }
.group-swatch { width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0; }
.group-option.is-closed label { cursor: not-allowed; opacity: .55; background: var(--surface-2); border-style: dashed; }
.group-option.is-closed label:hover { border-color: var(--border); }
.group-closed { margin-left: auto; font-size: .78rem; color: var(--muted); white-space: nowrap; }
.group-next { margin-left: auto; font-size: .8rem; color: var(--muted); white-space: nowrap; }

/* Success */
.success-wrap { max-width: 620px; margin: 2rem auto; text-align: center; }
.success-icon { width: 76px; height: 76px; border-radius: 50%; background: color-mix(in srgb, #12804f 14%, var(--surface)); color: #12804f; display: grid; place-items: center; font-size: 2.4rem; margin: 0 auto 1rem; }
.big-number { font-family: 'Prompt'; font-size: clamp(2rem, 7vw, 3rem); font-weight: 600; color: var(--navy-800); background: var(--gold-50); border: 1px dashed var(--gold); border-radius: 14px; padding: 12px 20px; display: inline-block; letter-spacing: .02em; }

/* Misc */
.empty-state { padding: 40px 16px; text-align: center; color: var(--muted); }
.empty-state i { font-size: 2.4rem; display: block; margin-bottom: 8px; color: var(--navy-200); }
.chart-box { position: relative; height: 300px; }
.legend-list { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .88rem; }
.pagination { --bs-pagination-border-radius: 10px; --bs-pagination-active-bg: var(--navy-700); --bs-pagination-active-border-color: var(--navy-700); }
.badge-soft { background: var(--surface-2); color: var(--muted); font-weight: 500; }
.badge-on { background: color-mix(in srgb, #12804f 14%, var(--surface)); color: #1a9a60; }
.badge-off { background: color-mix(in srgb, #c33 14%, var(--surface)); color: #d04545; }
.log-json { font-family: ui-monospace, monospace; font-size: .78rem; background: var(--surface-2); color: var(--text); border-radius: 8px; padding: 6px 8px; white-space: pre-wrap; word-break: break-word; max-width: 320px; margin: 0; }
.dl-grid { display: grid; grid-template-columns: 180px 1fr; gap: 10px 16px; }
.dl-grid dt { color: var(--muted); font-weight: 500; }
@media (max-width: 575.98px) { .dl-grid { grid-template-columns: 1fr; gap: 2px; } .dl-grid dd { margin-bottom: 10px; } }

/* Auth */
.auth-body { min-height: 100vh; background: radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--brand) 75%, #fff) 0%, transparent 60%), linear-gradient(160deg, var(--navy-900), var(--navy-800)); }
.auth-wrap { max-width: 420px; margin: 0 auto; padding: 8vh 16px; }
.auth-card { border-radius: 18px; border: 0; box-shadow: 0 20px 50px rgba(0,0,0,.25); }

/* Print */
@media print {
  .sidebar, .topbar, .app-footer, .no-print, .alert { display: none !important; }
  body { background: #fff; }
  .content { padding: 0; }
  .card { box-shadow: none; border: 0; }
}

/* เผื่อพื้นที่ลูกศรของ select หลังปรับ padding */
.form-select, .filter-bar .form-select { padding-right: 2.25rem; }
.form-select-sm { padding-right: 2rem; }

/* ตัวเลือกธีม */
.theme-swatch { width: 26px; height: 26px; border-radius: 8px; border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--border); cursor: pointer; padding: 0; position: relative; overflow: hidden; }
.theme-swatch::after { content: ''; position: absolute; right: 0; bottom: 0; width: 45%; height: 45%; background: var(--sw-accent); border-top-left-radius: 6px; }
.theme-swatch.active { box-shadow: 0 0 0 2px var(--text); }
.theme-menu { width: 260px; }
.theme-card { border: 1.5px solid var(--border); border-radius: 12px; padding: 10px; cursor: pointer; display: flex; align-items: center; gap: 10px; background: var(--surface); height: 100%; }
.btn-check:checked + .theme-card { border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); }
.theme-dot { width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; }

/* ---------- มือถือ: หน้าหลักกะทัดรัด ---------- */
.btn-cta { border-radius: 14px; font-size: 1.05rem; padding: .8rem 1rem; box-shadow: 0 6px 16px var(--ring); }
.recent-list .list-group-item { padding: .7rem 1rem; background: var(--surface); color: var(--text); border-color: var(--border); }
.recent-subject { font-size: .95rem; margin: 2px 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 767.98px) {
  .stat-row .stat-card { padding: 10px 12px; gap: 0; border-radius: 12px; }
  .stat-row .stat-icon, .stat-row .stat-sub { display: none; }
  .stat-row .stat-label { font-size: .78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .stat-row .stat-value { font-size: 1.2rem !important; }
  .stat-row .stat-card > div { min-width: 0; width: 100%; }
}
@media (min-width: 768px) {
  #homeQ { border-top-right-radius: 10px !important; border-bottom-right-radius: 10px !important; }
}
@media (max-width: 575.98px) {
  .topbar .t-small { display: none; }
}
.list-group { --bs-list-group-active-bg: var(--brand); --bs-list-group-active-border-color: var(--brand); --bs-list-group-bg: var(--surface); --bs-list-group-color: var(--text); --bs-list-group-border-color: var(--border); }

/* แท่งแนวนอน (จำนวนการขอเลขแยกตามกลุ่มงาน) */
.hbar-list { display: flex; flex-direction: column; gap: 16px; padding: 4px 0; }
.hbar-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
.hbar-name { flex: 1; min-width: 0; font-weight: 500; }
.hbar-val { font-family: 'Prompt', sans-serif; font-weight: 600; white-space: nowrap; }
.hbar-val small { font-family: 'Sarabun', sans-serif; font-weight: 400; color: var(--muted); }
.hbar-track { height: 12px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.hbar-fill { height: 100%; border-radius: 6px; transition: width .4s ease; }