:root {
  /* โทนฟ้าอ่อนแบบมูท */
  --bg: #edf3f7;
  --surface: #ffffff;
  --surface-2: #f6f9fb;
  --sidebar: #f8fbfd;
  --line: #dde7ee;
  --line-soft: #ebf1f5;
  --ink: #33475a;
  --ink-strong: #24384b;
  --muted: #7a8c9c;
  --accent: #7fb0cc;
  --accent-strong: #5f95b5;
  --accent-deep: #4a7d9c;
  --accent-soft: #e4eff5;
  --accent-softer: #f0f6fa;
  --ok: #5f9a82;
  --ok-bg: #e6f2ec;
  --warn: #b98f4f;
  --warn-bg: #f7f0e2;
  --bad: #c07a7a;
  --bad-bg: #f7e9e9;
  --gray: #8695a3;
  --gray-bg: #eef1f4;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(52, 84, 110, .04), 0 6px 20px rgba(52, 84, 110, .05);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 "Sarabun", "Noto Sans Thai", "IBM Plex Sans Thai", "Leelawadee UI", "Thonburi", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
svg { width: 20px; height: 20px; flex: none; }

/* ---------- แบรนด์ ---------- */
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 34px; height: 34px; color: var(--accent-strong); }
.brand-name { font-size: 17px; font-weight: 700; color: var(--ink-strong); letter-spacing: .2px; }
.brand-name b { color: var(--accent-strong); font-weight: 700; }

/* ---------- หน้าเข้าสู่ระบบ ---------- */
.login {
  min-height: 100vh; display: grid; place-items: center; padding: 24px 16px;
  background:
    radial-gradient(circle at 15% 20%, #dcebf3 0, transparent 45%),
    radial-gradient(circle at 85% 80%, #e2edf3 0, transparent 40%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 920px; display: grid; grid-template-columns: 1.1fr 1fr;
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px;
  box-shadow: 0 20px 60px rgba(52, 84, 110, .10); overflow: hidden;
}
.login-art {
  padding: 40px 38px; background: linear-gradient(160deg, #eaf3f8 0%, #dbe9f1 100%);
  border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px;
}
.login-art h1 { margin: 28px 0 0; font-size: 26px; line-height: 1.35; color: var(--ink-strong); font-weight: 700; }
.login-art p { margin: 0; color: var(--muted); }
.login-points { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 10px; }
.login-points li { position: relative; padding-left: 26px; color: var(--ink); font-size: 14px; }
.login-points li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2 7 10.5l4.5-5' fill='none' stroke='%235f95b5' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
  border: 1px solid #c9dde9;
}
.login-form { padding: 40px 38px; display: flex; flex-direction: column; justify-content: center; }
.login-form h2 { font-size: 22px; margin-bottom: 4px; }
.login-form .muted { margin: 0 0 22px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 16px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.login-foot { text-align: center; color: var(--muted); font-size: 12px; margin: 22px 0 0; }

/* ---------- โครงแอป ---------- */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--sidebar); border-right: 1px solid var(--line);
  padding: 22px 16px; display: flex; flex-direction: column; gap: 26px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar > .brand { padding: 0 8px; }
.tabs { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.tabs button {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  background: transparent; color: var(--muted); border: 0; border-radius: 10px;
  padding: 10px 12px; font: inherit; font-size: 14.5px; cursor: pointer;
}
.tabs button:hover { background: var(--accent-softer); color: var(--ink); border-color: transparent; }
.tabs button.active { background: var(--accent-soft); color: var(--accent-deep); font-weight: 600; }
.user {
  display: flex; align-items: center; gap: 10px; padding: 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
}
.avatar {
  width: 36px; height: 36px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-deep); font-weight: 700;
}
.user-info { min-width: 0; flex: 1; }
.user-name { font-weight: 600; font-size: 14px; color: var(--ink-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 12px; color: var(--muted); }
.icon-btn { border: 0; background: transparent; padding: 6px; color: var(--muted); border-radius: 8px; display: grid; place-items: center; }
.icon-btn:hover { background: var(--accent-softer); color: var(--accent-deep); }

main { padding: 30px 36px 60px; max-width: 1280px; width: 100%; min-width: 0; }
.page-head { margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 24px; color: var(--ink-strong); font-weight: 700; }
.page-head p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.demo-banner {
  background: var(--warn-bg); color: #8a6a37; border: 1px solid #ecdfc4;
  padding: 9px 14px; border-radius: 10px; font-size: 13.5px; margin-bottom: 20px;
}
.demo-banner a { color: var(--accent-deep); font-weight: 600; margin-left: 6px; }

.view { display: none; }
.view.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.card.narrow { max-width: 640px; }
h2 { margin: 0 0 14px; font-size: 17px; color: var(--ink-strong); font-weight: 700; }
h3 { margin: 0 0 10px; font-size: 15.5px; color: var(--ink-strong); font-weight: 700; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; align-items: start; }
.grid-2 > .card { margin-bottom: 0; }

/* ---------- ฟอร์ม ---------- */
label { display: block; margin-bottom: 14px; font-weight: 600; font-size: 13.5px; color: var(--ink); }
label.small { font-weight: 400; font-size: 13px; color: var(--muted); }
input, textarea, select {
  width: 100%; margin-top: 6px; padding: 9px 12px; font: inherit; font-weight: 400; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder, textarea::placeholder { color: #a9b7c2; }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent); background: var(--surface);
  box-shadow: 0 0 0 3px rgba(127, 176, 204, .22);
}
input[type=checkbox] { width: 16px; height: 16px; margin: 0; accent-color: var(--accent-strong); }
input[type=file] { padding: 7px 10px; font-size: 13px; }
button, .btn {
  font: inherit; font-size: 14px; cursor: pointer; border-radius: 10px; padding: 8px 15px;
  border: 1px solid var(--line); background: var(--surface); color: var(--accent-deep);
  text-decoration: none; display: inline-block; transition: background .15s, border-color .15s;
}
.btn:hover, button:hover { border-color: var(--accent); background: var(--accent-softer); }
.primary { background: var(--accent-strong); color: #fff; border-color: var(--accent-strong); font-weight: 600; }
.primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.primary:disabled { opacity: .6; cursor: wait; }
.ghost { background: var(--accent-softer); border-color: #cfe1ec; color: var(--accent-deep); font-weight: 600; }
.ghost:hover { background: var(--accent-soft); }
.block { display: block; width: 100%; padding: 11px 15px; }
a { color: var(--accent-deep); }

.drop {
  border: 1.5px dashed #b9d3e2; border-radius: 12px; background: var(--accent-softer);
  padding: 22px 18px; text-align: center; margin-bottom: 14px; transition: background .15s, border-color .15s;
}
.drop.over { background: var(--accent-soft); border-color: var(--accent-strong); }
.drop-icon { width: 28px; height: 28px; color: var(--accent); margin-bottom: 4px; }
.drop-main { font-weight: 600; color: var(--ink-strong); }
.drop-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.drop-file { margin-top: 8px; color: var(--accent-deep); font-weight: 600; }
.empty { color: var(--muted); text-align: center; padding: 48px 0; }
.muted { color: var(--muted); font-size: 13px; margin-top: -4px; }
.note { background: var(--warn-bg); border: 1px solid #ecdfc4; color: #7d6337; font-size: 13px; padding: 10px 12px; border-radius: 10px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.row-between h2, .row-between h3 { margin: 0; }

/* ---------- ตาราง ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12.5px; border-bottom: 1px solid var(--line); padding: 10px; background: var(--surface-2); }
.table th:first-child { border-top-left-radius: 8px; }
.table th:last-child { border-top-right-radius: 8px; }
.table td { border-bottom: 1px solid var(--line-soft); padding: 8px 10px; vertical-align: middle; }
.table tbody tr:hover td { background: var(--accent-softer); }
.table input, .table select { margin: 0; padding: 6px 9px; }

/* ---------- ผลตรวจ ---------- */
.badge { display: inline-block; padding: 3px 12px; border-radius: 99px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.s-pass { background: var(--ok-bg); color: var(--ok); }
.s-fail { background: var(--bad-bg); color: var(--bad); }
.s-review { background: var(--warn-bg); color: var(--warn); }
.s-error { background: var(--gray-bg); color: var(--gray); }

.summary { display: flex; gap: 20px; align-items: center; margin-bottom: 18px; padding: 16px; background: var(--surface-2); border-radius: 12px; }
.gauge {
  --v: 0; width: 96px; height: 96px; border-radius: 50%; flex: none;
  background: conic-gradient(var(--c, var(--accent)) calc(var(--v) * 1%), #e3ebf1 0);
  display: grid; place-items: center;
}
.gauge span { background: var(--surface); width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; font-weight: 700; color: var(--ink-strong); }
.summary .meta { font-size: 14px; color: var(--muted); }
.summary .meta b { color: var(--ink-strong); }
.finding {
  border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px;
  padding: 10px 14px; margin-bottom: 8px; background: var(--surface);
}
.finding.high { border-left-color: var(--bad); }
.finding.medium { border-left-color: var(--warn); }
.finding.low { border-left-color: var(--accent); }
.finding .top { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--muted); }
.finding .ctx { margin-top: 4px; }
.finding mark { background: #f6e3b8; color: var(--ink-strong); padding: 0 3px; border-radius: 4px; }
.loc { font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: var(--accent-deep); background: var(--accent-soft); border: 0; padding: 2px 9px; border-radius: 6px; }
button.loc:hover { background: #d5e6ef; }
details { margin-top: 12px; font-size: 14px; }
details summary { cursor: pointer; color: var(--accent-deep); }
video, audio { width: 100%; border-radius: 10px; background: #000; margin-bottom: 12px; }

.settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; background: var(--accent-softer); border: 1px solid var(--line-soft); padding: 14px; border-radius: 12px; margin-bottom: 14px; }
.settings label { margin: 0; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--accent-softer); border: 1px solid #d3e3ec; color: var(--ink); border-radius: 99px; padding: 3px 6px 3px 12px; display: flex; align-items: center; gap: 4px; font-size: 14px; }
.chip.off { opacity: .5; text-decoration: line-through; }
.chip button { border: 0; background: none; padding: 0 4px; color: var(--muted); }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--ink-strong); color: #fff; padding: 10px 18px; border-radius: 10px; box-shadow: 0 8px 24px rgba(36, 56, 75, .18); font-size: 14px; z-index: 10; }

/* ---------- จอเล็ก ---------- */
@media (max-width: 860px) {
  .login-card { grid-template-columns: 1fr; }
  .login-art { border-right: 0; border-bottom: 1px solid var(--line); padding: 28px 24px; }
  .login-art h1 { margin-top: 14px; font-size: 21px; }
  .login-form { padding: 28px 24px; }
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar { min-width: 0; position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; padding: 12px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar > .brand { padding: 0; flex: 1; }
  .tabs { order: 3; flex: 1 1 100%; flex-direction: row; overflow-x: auto; }
  .tabs button { width: auto; white-space: nowrap; padding: 8px 12px; }
  .user { padding: 6px 8px; border: 0; background: transparent; }
  .user-info { display: none; }
  main { padding: 20px 16px 48px; }
  .grid-2 { grid-template-columns: 1fr; }
}