/* BI Center — ชุดสไตล์กลาง
   ฟอนต์ Kanit มาจากไฟล์ในเครื่อง (static/fonts/kanit) ไม่ใช่ CDN
   ตัวเลขที่ต้องเรียงคอลัมน์ให้ตรงกันใช้ --bi-font-num เพราะ Kanit ไม่มี tabular figures */

@import url('/static/css/fonts.css');

:root {
  --bi-font: 'Kanit', 'Segoe UI', system-ui, sans-serif;
  --bi-font-num: Consolas, 'Segoe UI', ui-monospace, monospace;

  --bi-ink: #111827;
  --bi-ink-soft: #4b5563;
  --bi-ink-faint: #9aa3b2;
  --bi-line: #e7e9ee;
  --bi-line-strong: #d4d8e0;
  --bi-bg: #f4f5fa;
  --bi-surface: #ffffff;

  /* น้ำเงิน indigo = สีหลัก, น้ำตาล TRR = สีเน้น */
  --bi-primary: #4f46e5;
  --bi-primary-dark: #4338ca;
  --bi-primary-soft: #eef0ff;
  --bi-brand: #b45309;          /* น้ำตาล TRR */
  --bi-brand-soft: #fef3e2;

  --bi-ok: #15803d;
  --bi-ok-soft: #dcfce7;
  --bi-warn: #b45309;
  --bi-warn-soft: #fef3c7;
  --bi-danger: #b91c1c;
  --bi-danger-soft: #fee2e2;
  --bi-info-soft: #e0e7ff;

  /* แถบเมนูซ้าย — พื้นเข้มน้ำเงินอมเทา */
  --bi-side-bg: #1e213a;
  --bi-side-ink: #c7cbe0;
  --bi-side-ink-dim: #8a8fb0;
  --bi-side-active: #4f46e5;
  --bi-side-hover: rgba(255, 255, 255, .07);

  --bi-radius: 14px;
  --bi-radius-sm: 10px;
  --bi-shadow: 0 1px 2px rgba(17, 24, 39, .04), 0 8px 24px rgba(17, 24, 39, .06);
  --bi-shadow-sm: 0 1px 2px rgba(17, 24, 39, .05), 0 2px 8px rgba(17, 24, 39, .04);
  --bi-side-w: 236px;
}

*, *::before, *::after { box-sizing: border-box; }

/* [hidden] ต้องชนะ display ของ class อื่นเสมอ — ห้ามลบบรรทัดนี้
   (เคยเจอมาแล้วว่า .row{display:flex} ทับ [hidden] แล้วซ่อนอะไรไม่ได้เลย) */
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--bi-font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--bi-ink);
  background: var(--bi-bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--bi-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 .5rem; font-weight: 600; line-height: 1.3; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }

/* ───────── โครงหน้า: sidebar + shell ───────── */

.bi-app { display: flex; min-height: 100vh; }

.bi-side {
  width: var(--bi-side-w);
  flex-shrink: 0;
  background: var(--bi-side-bg);
  color: var(--bi-side-ink);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 50;
}
.bi-side__brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 1rem 1.1rem; margin-bottom: .3rem;
}
.bi-side__logo {
  height: 34px; width: auto; background: #fff; border-radius: 8px; padding: 3px 5px;
}
.bi-side__title { font-weight: 600; font-size: 1.02rem; color: #fff; line-height: 1.2; }
.bi-side__title small { display: block; font-size: .68rem; color: var(--bi-side-ink-dim); font-weight: 400; }

.bi-side__nav { flex: 1; overflow-y: auto; padding: .4rem .6rem; display: flex; flex-direction: column; gap: 2px; }
.bi-side__link {
  display: flex; align-items: center; gap: .7rem;
  padding: .6rem .75rem; border-radius: 10px;
  color: var(--bi-side-ink); font-size: .93rem; white-space: nowrap;
  border-left: 3px solid transparent;
}
.bi-side__link:hover { background: var(--bi-side-hover); text-decoration: none; color: #fff; }
.bi-side__link.is-active {
  background: var(--bi-side-hover); color: #fff; font-weight: 500;
  border-left-color: var(--bi-brand);
}
.bi-side__link svg { width: 19px; height: 19px; flex-shrink: 0; opacity: .9; }
.bi-side__link .bi-badge { margin-left: auto; }
.bi-side__sec {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--bi-side-ink-dim); padding: .9rem .9rem .3rem;
}
.bi-side__foot { padding: .8rem; border-top: 1px solid rgba(255,255,255,.08); }
.bi-side__scrim { display: none; }

.bi-shell { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* ───────── แถบบน ───────── */

.bi-top {
  display: flex; align-items: center; gap: .8rem;
  padding: .7rem 1.4rem;
  background: var(--bi-surface);
  border-bottom: 1px solid var(--bi-line);
  position: sticky; top: 0; z-index: 40;
}
.bi-top__burger { display: none; background: none; border: none; cursor: pointer; color: var(--bi-ink-soft); padding: 4px; }
.bi-top__search {
  display: flex; align-items: center; gap: .5rem;
  background: var(--bi-bg); border-radius: 10px; padding: .4rem .7rem;
  width: 320px; max-width: 42vw; color: var(--bi-ink-faint);
}
.bi-top__search input { border: none; background: none; padding: 0; font-size: .9rem; width: 100%; }
.bi-top__search input:focus { outline: none; box-shadow: none; }
.bi-top__spacer { flex: 1; }
.bi-top__bell { position: relative; color: var(--bi-ink-soft); display: inline-flex; padding: 6px; border-radius: 8px; }
.bi-top__bell:hover { background: var(--bi-bg); }
.bi-top__bell-count {
  position: absolute; top: 0; right: 0; min-width: 16px; height: 16px;
  background: var(--bi-brand); color: #fff; border-radius: 999px;
  font-size: .66rem; line-height: 16px; text-align: center; padding: 0 3px;
}

.bi-user { display: flex; align-items: center; gap: .6rem; font-size: .88rem; }
.bi-user__name { font-weight: 500; color: var(--bi-ink); }
.bi-user__role { color: var(--bi-ink-faint); font-size: .76rem; display: block; }
.bi-user__avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--bi-primary-soft); color: var(--bi-primary);
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: .9rem;
}

/* ───────── layout ───────── */

.bi-main { max-width: 1200px; width: 100%; margin: 0 auto; padding: 1.5rem; }

@media (max-width: 860px) {
  .bi-side {
    position: fixed; left: 0; top: 0; transform: translateX(-100%);
    transition: transform .22s ease; box-shadow: 0 0 40px rgba(0,0,0,.3);
  }
  .bi-app.is-open .bi-side { transform: translateX(0); }
  .bi-app.is-open .bi-side__scrim {
    display: block; position: fixed; inset: 0; background: rgba(17,24,39,.5); z-index: 45;
  }
  .bi-top__burger { display: inline-flex; }
  .bi-top__search { width: auto; flex: 1; }
  .bi-user__meta { display: none; }
}
.bi-page-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.bi-page-head__text { flex: 1; min-width: 240px; }
.bi-page-head__sub { color: var(--bi-ink-soft); font-size: .9rem; margin: 0; }

.bi-card {
  background: var(--bi-surface);
  border: 1px solid var(--bi-line);
  border-radius: var(--bi-radius);
  box-shadow: var(--bi-shadow-sm);
  padding: 1.15rem 1.3rem;
  margin-bottom: 1.1rem;
}
.bi-card__head {
  display: flex; align-items: center; gap: .6rem;
  margin: -1.15rem -1.3rem 1.1rem;
  padding: .85rem 1.3rem;
  border-bottom: 1px solid var(--bi-line);
  font-weight: 600; font-size: 1rem;
}
.bi-card__head .bi-spacer { flex: 1; }

.bi-grid { display: grid; gap: 1rem; }
.bi-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bi-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bi-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .bi-grid--2, .bi-grid--3, .bi-grid--4 { grid-template-columns: 1fr; }
}

.bi-row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.bi-spacer { flex: 1; }
.bi-stack { display: flex; flex-direction: column; gap: .75rem; }

/* ───────── tile ───────── */

.bi-tile {
  background: var(--bi-surface);
  border: 1px solid var(--bi-line);
  border-radius: var(--bi-radius);
  padding: 1rem 1.15rem;
  box-shadow: var(--bi-shadow-sm);
}
.bi-tile__label { font-size: .82rem; color: var(--bi-ink-soft); }
.bi-tile__value { font-size: 1.9rem; font-weight: 600; font-family: var(--bi-font-num); line-height: 1.25; color: var(--bi-ink); }
.bi-tile--accent { border-left: 4px solid var(--bi-primary); }
.bi-tile--icon { display: flex; align-items: center; gap: .9rem; }
.bi-tile__ico {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bi-primary-soft); color: var(--bi-primary);
}
.bi-tile__ico svg { width: 22px; height: 22px; }
.bi-tile--brand .bi-tile__ico { background: var(--bi-brand-soft); color: var(--bi-brand); }
.bi-tile--ok .bi-tile__ico { background: var(--bi-ok-soft); color: var(--bi-ok); }
.bi-tile--warn .bi-tile__ico { background: var(--bi-warn-soft); color: var(--bi-warn); }

/* การ์ดเมนูหน้าแรก */
.bi-navcard {
  display: flex; gap: .9rem; align-items: flex-start;
  background: var(--bi-surface); border: 1px solid var(--bi-line);
  border-radius: var(--bi-radius); padding: 1.1rem; box-shadow: var(--bi-shadow-sm);
  text-decoration: none; color: var(--bi-ink); transition: box-shadow .15s, transform .15s;
}
.bi-navcard:hover { text-decoration: none; box-shadow: var(--bi-shadow); transform: translateY(-2px); }
.bi-navcard__ico {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bi-primary-soft); color: var(--bi-primary);
}
.bi-navcard__ico svg { width: 23px; height: 23px; }
.bi-navcard__title { font-weight: 600; margin-bottom: .1rem; }
.bi-navcard__desc { font-size: .83rem; color: var(--bi-ink-soft); }

/* ───────── ผู้ช่วย AI (chat) ───────── */
.bi-chat-log { flex: 1; overflow-y: auto; padding: .4rem .2rem; display: flex; flex-direction: column; gap: .7rem; }
.bi-chat-msg { display: flex; }
.bi-chat-msg--user { justify-content: flex-end; }
.bi-chat-bubble {
  max-width: 76%; padding: .6rem .85rem; border-radius: 14px; font-size: .95rem;
  line-height: 1.55; white-space: pre-wrap; word-break: break-word;
}
.bi-chat-msg--user .bi-chat-bubble { background: var(--bi-primary); color: #fff; border-bottom-right-radius: 4px; }
.bi-chat-msg--assistant .bi-chat-bubble { background: var(--bi-bg); color: var(--bi-ink); border-bottom-left-radius: 4px; }
.bi-chat-bubble.is-typing { color: var(--bi-ink-faint); }
.bi-chat-chips { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .3rem; }
.bi-chat-bar {
  display: flex; gap: .5rem; align-items: flex-end;
  margin: .7rem -1.3rem -1.15rem; padding: .8rem 1.3rem;
  border-top: 1px solid var(--bi-line);
}
.bi-chat-input { resize: none; max-height: 120px; }

/* เนื้อหาบทความ (markdown) */
.bi-article-body { line-height: 1.7; }
.bi-article-body h2, .bi-article-body h3, .bi-article-body h4 { margin: 1.1rem 0 .5rem; }
.bi-article-body p { margin: 0 0 .7rem; }
.bi-article-body ul, .bi-article-body ol { margin: 0 0 .7rem 1.4rem; }
.bi-article-body li { margin-bottom: .25rem; }
.bi-article-body code { background: var(--bi-bg); padding: .1rem .35rem; border-radius: 5px; font-family: var(--bi-font-num); font-size: .9em; }
.bi-article-body a { color: var(--bi-primary); }

/* ───────── form ───────── */

.bi-field { display: block; margin-bottom: .85rem; }
.bi-field__label { display: block; font-size: .86rem; color: var(--bi-ink-soft); margin-bottom: .25rem; font-weight: 500; }
.bi-field__label .bi-req { color: var(--bi-danger); margin-left: .15rem; }
.bi-field__hint { font-size: .78rem; color: var(--bi-ink-faint); margin-top: .2rem; }

input[type=text], input[type=password], input[type=email], input[type=date],
input[type=number], select, textarea {
  width: 100%;
  font-family: var(--bi-font);
  font-size: .95rem;
  color: var(--bi-ink);
  background: var(--bi-surface);
  border: 1px solid var(--bi-line-strong);
  border-radius: 8px;
  padding: .5rem .65rem;
}
input[type=date], input[type=number] { font-family: var(--bi-font-num); }
textarea { resize: vertical; min-height: 92px; line-height: 1.6; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--bi-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, .12);
}
input:disabled, select:disabled, textarea:disabled {
  background: #f8fafc;
  color: var(--bi-ink-soft);
  cursor: not-allowed;
}

.bi-check { display: flex; align-items: flex-start; gap: .5rem; margin-bottom: .4rem; cursor: pointer; }
.bi-check input { width: auto; margin-top: .3rem; }

/* ───────── button ───────── */

.bi-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--bi-font);
  font-size: .92rem;
  font-weight: 500;
  padding: .48rem .95rem;
  border-radius: 8px;
  border: 1px solid var(--bi-line-strong);
  background: var(--bi-surface);
  color: var(--bi-ink);
  cursor: pointer;
  white-space: nowrap;
}
.bi-btn:hover:not(:disabled) { background: #f8fafc; text-decoration: none; }
.bi-btn:disabled { opacity: .55; cursor: not-allowed; }
.bi-btn--primary { background: var(--bi-primary); border-color: var(--bi-primary); color: #fff; }
.bi-btn--primary:hover:not(:disabled) { background: var(--bi-primary-dark); }
.bi-btn--ok { background: var(--bi-ok); border-color: var(--bi-ok); color: #fff; }
.bi-btn--ok:hover:not(:disabled) { filter: brightness(.94); }
.bi-btn--warn { background: var(--bi-warn); border-color: var(--bi-warn); color: #fff; }
.bi-btn--warn:hover:not(:disabled) { filter: brightness(.94); }
.bi-btn--danger { background: var(--bi-danger); border-color: var(--bi-danger); color: #fff; }
.bi-btn--danger:hover:not(:disabled) { filter: brightness(.94); }
.bi-btn--sm { font-size: .84rem; padding: .3rem .6rem; }
.bi-btn--link { border-color: transparent; background: transparent; color: var(--bi-primary); }

/* ───────── badge / สถานะ ───────── */

.bi-badge {
  display: inline-block;
  font-size: .76rem;
  font-weight: 500;
  padding: .12rem .5rem;
  border-radius: 999px;
  background: var(--bi-bg);
  color: var(--bi-ink-soft);
  white-space: nowrap;
}
.bi-badge--open { background: var(--bi-info-soft); color: #075985; }
.bi-badge--active { background: var(--bi-ok-soft); color: var(--bi-ok); }
.bi-badge--close { background: var(--bi-warn-soft); color: var(--bi-warn); }
.bi-badge--closed { background: #e2e8f0; color: #334155; }
.bi-badge--rejected { background: var(--bi-danger-soft); color: var(--bi-danger); }
.bi-badge--mine { background: var(--bi-brand); color: #fff; }

/* ───────── table ───────── */

.bi-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.bi-table th, .bi-table td {
  padding: .52rem .6rem;
  border-bottom: 1px solid var(--bi-line);
  text-align: left;
  vertical-align: top;
}
.bi-table th { font-weight: 600; color: var(--bi-ink-soft); font-size: .82rem; background: #f8fafc; }
.bi-table tbody tr:hover { background: #f8fafc; }
.bi-table td.bi-num, .bi-table th.bi-num { font-family: var(--bi-font-num); text-align: right; }
.bi-table--rows td { vertical-align: middle; }
.bi-table-wrap { overflow-x: auto; }

/* ───────── ไทม์ไลน์สายอนุมัติ ───────── */

.bi-steps { display: flex; gap: .35rem; flex-wrap: wrap; margin: .4rem 0 0; padding: 0; list-style: none; }
.bi-step {
  font-size: .76rem;
  padding: .2rem .55rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--bi-ink-faint);
  border: 1px solid var(--bi-line);
}
.bi-step.is-done { background: var(--bi-ok-soft); color: var(--bi-ok); border-color: #bbf7d0; }
.bi-step.is-current { background: var(--bi-brand); color: #fff; border-color: var(--bi-brand); font-weight: 600; }
.bi-step.is-dead { background: var(--bi-danger-soft); color: var(--bi-danger); border-color: #fecaca; }

/* ───────── ช่องลายเซ็น ───────── */

.bi-sign-grid { display: grid; gap: .8rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .bi-sign-grid { grid-template-columns: 1fr; } }

.bi-sign {
  border: 1px dashed var(--bi-line-strong);
  border-radius: 8px;
  padding: .7rem .8rem;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  background: #fcfcfd;
}
.bi-sign__slot { font-size: .8rem; color: var(--bi-ink-soft); font-weight: 500; }
.bi-sign__name { font-weight: 600; }
.bi-sign__meta { font-size: .76rem; color: var(--bi-ink-faint); font-family: var(--bi-font-num); }
.bi-sign__pos { font-size: .8rem; color: var(--bi-ink-soft); }
.bi-sign__empty { color: var(--bi-ink-faint); font-size: .85rem; margin-top: auto; }
.bi-sign.is-signed { border-style: solid; border-color: #bbf7d0; background: #f6fffa; }
.bi-sign__comment { font-size: .8rem; color: var(--bi-ink-soft); background: #fff; border-left: 3px solid var(--bi-line-strong); padding: .2rem .45rem; margin-top: .3rem; }

/* ───────── alert ───────── */

.bi-alert {
  border-radius: 8px;
  padding: .65rem .85rem;
  font-size: .9rem;
  margin-bottom: .9rem;
  border: 1px solid transparent;
}
.bi-alert--info { background: var(--bi-info-soft); border-color: #bae6fd; color: #075985; }
.bi-alert--ok { background: var(--bi-ok-soft); border-color: #bbf7d0; color: var(--bi-ok); }
.bi-alert--warn { background: var(--bi-warn-soft); border-color: #fde68a; color: var(--bi-warn); }
.bi-alert--danger { background: var(--bi-danger-soft); border-color: #fecaca; color: var(--bi-danger); }

/* ───────── toast ───────── */

.bi-toasts { position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .5rem; z-index: 90; }
.bi-toast {
  background: #0f172a; color: #fff; padding: .6rem .9rem; border-radius: 8px;
  font-size: .88rem; box-shadow: 0 8px 24px rgba(15, 23, 42, .25); max-width: 380px;
}
.bi-toast--ok { background: #166534; }
.bi-toast--err { background: #991b1b; }

/* ───────── modal ───────── */

.bi-modal-bg {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45);
  display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 80;
}
.bi-modal {
  background: var(--bi-surface); border-radius: var(--bi-radius);
  max-width: 520px; width: 100%; padding: 1.2rem; box-shadow: 0 20px 50px rgba(15, 23, 42, .3);
}
.bi-modal h3 { margin-bottom: .6rem; }

/* ───────── หน้า login / สมัครสมาชิก ───────── */

.bi-auth { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; background: var(--bi-bg); }
.bi-auth__box { width: 100%; max-width: 440px; background: var(--bi-surface); border-radius: 14px; box-shadow: var(--bi-shadow); padding: 1.8rem; }
.bi-auth__logo { display: block; margin: 0 auto .9rem; height: 46px; }
.bi-auth__title { text-align: center; margin-bottom: .2rem; }
.bi-auth__sub { text-align: center; color: var(--bi-ink-faint); font-size: .86rem; margin: 0 0 1.2rem; }
.bi-auth__foot { text-align: center; margin-top: 1rem; font-size: .88rem; color: var(--bi-ink-soft); }

.bi-empty { text-align: center; color: var(--bi-ink-faint); padding: 2rem 1rem; }
.bi-muted { color: var(--bi-ink-soft); }
.bi-small { font-size: .84rem; }
.bi-num { font-family: var(--bi-font-num); }
.bi-pre { white-space: pre-wrap; word-break: break-word; }