/* ===================================================
   style.css — typewriter / editorial
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Kanit:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ── Font preload: hide body until fonts ready to prevent FOUT ── */
body.fonts-loading { visibility: hidden; }

:root {
  --black:       #111010;
  --gray-dark:   #333;
  --gray-mid:    #666;
  --gray-light:  #aaa;
  --gray-pale:   #f0efeb;
  --paper:       #faf9f5;
  --white:       #ffffff;
  --border:      #d4d0c8;
  --border-dark: #999;
  --accent:      #44624a;   /* สีเขียวสำหรับ active/highlight */
  --amber:       #8a6820;
  --amber-pale:  #fdf6e3;

  /* aliases */
  --green-dark:  var(--accent);
  --green-mid:   var(--accent);
  --green-light: #c0cfb2;
  --green-pale:  #eef2eb;
  --text-dark:   var(--black);
  --text-mid:    var(--gray-dark);
  --text-light:  var(--gray-mid);
  --bg:          var(--paper);
  --off-white:   var(--gray-pale);
  --sage:        #c0cfb2;
  --sage-light:  #eef2eb;
  --forest:      var(--accent);
  --forest-dark: #2e4332;

  --radius:  0px;
  --nav-h:   56px;
  --shadow:  none;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Kanit', sans-serif;
  background: var(--paper);
  color: var(--black);
  line-height: 1.85;
  padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
}

/* ─────────────────────────────────────────
   NAV
───────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}
.nav-logo {
  font-family: 'Kanit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  color: var(--black);
}
.nav-brand-text { display: flex; flex-direction: column; }
.nav-name {
  /* default hidden until Firebase syncs */
  transition: opacity .15s;
  font-family: 'Kanit', sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: var(--black);
  line-height: 1.2;
  letter-spacing: .06em;
}
.nav-sub {
  font-family: 'Kanit', sans-serif;
  font-size: 11px;
  color: var(--gray-mid);
  letter-spacing: .08em;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0 14px;
  height: var(--nav-h);
  text-decoration: none;
  font-family: 'Kanit', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-mid);
  letter-spacing: .05em;
  transition: color .1s;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.nav-icon { display: none; }
.nav-link:hover { color: var(--black); }
.nav-link.active {
  color: var(--black);
  border-bottom-color: var(--black);
  font-weight: 600;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 20px; height: 1px;
  background: var(--black);
}

/* ─────────────────────────────────────────
   LAYOUT
───────────────────────────────────────── */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3.5rem 2rem 7rem;
}

/* ─────────────────────────────────────────
   HERO
───────────────────────────────────────── */
.hero {
  background: var(--black);
  color: var(--paper);
  padding: 5rem 2rem;
  text-align: left;
}
.hero h1 {
  font-family: 'Kanit', sans-serif;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .04em;
}
.hero p {
  font-family: 'Kanit', sans-serif;
  font-size: .9rem;
  opacity: .65;
  margin-top: .75rem;
  letter-spacing: .04em;
  max-width: 480px;
}
.hero-badge {
  display: inline-block;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  padding: 2px 10px;
  font-family: 'Kanit', sans-serif;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  opacity: .7;
}

/* ─────────────────────────────────────────
   CARDS
───────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.card-grid > * { background: var(--white); }

/* ─────────────────────────────────────────
   SECTION TITLE
───────────────────────────────────────── */
.section-title {
  font-family: 'Kanit', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-mid);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}

/* ─────────────────────────────────────────
   BADGES
───────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 1px 8px;
  font-family: 'Kanit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  background: var(--gray-pale);
  color: var(--gray-dark);
  border: 1px solid var(--border);
  text-transform: uppercase;
}
.badge-amber {
  background: var(--amber-pale);
  color: var(--amber);
  border-color: #ddc98a;
}

/* ─────────────────────────────────────────
   BUTTONS
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: 'Kanit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .1s, color .1s, border-color .1s;
}
.btn:active { opacity: .8; }
.btn-primary {
  background: var(--black);
  color: var(--paper);
  border-color: var(--black);
}
.btn-primary:hover {
  background: var(--gray-dark);
  border-color: var(--gray-dark);
}
.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--border-dark);
}
.btn-outline:hover {
  background: var(--gray-pale);
}

/* ─────────────────────────────────────────
   TABLE
───────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  background: var(--black);
  color: var(--paper);
  padding: 9px 16px;
  text-align: left;
  font-family: 'Kanit', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
td {
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
  font-family: 'Kanit', sans-serif;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-pale); }

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  font-family: 'Kanit', sans-serif;
  font-size: 12px;
  color: var(--gray-light);
  letter-spacing: .06em;
  border-top: 1px solid var(--border);
  margin-top: 5rem;
}

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    border-bottom: 1px solid var(--border);
  }
  .nav-link {
    height: auto;
    padding: .875rem 1.5rem;
    border-bottom: 1px solid var(--border);
    border-left: none;
  }
  .nav-link.active {
    border-bottom: 1px solid var(--border);
    border-left: 2px solid var(--black);
    padding-left: calc(1.5rem - 2px);
  }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .page-wrap { padding: 2rem 1.25rem 5rem; }
  .hero { padding: 3.5rem 1.25rem; }
}

/* ─────────────────────────────────────────
   ADMIN NAV BUTTONS
───────────────────────────────────────── */
.btn-nav-login {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background: transparent;
  color: var(--gray-mid);
  font-family: 'Kanit', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color .1s, color .1s;
  white-space: nowrap;
}
.btn-nav-login:hover { border-color: var(--black); color: var(--black); }

.btn-nav-logout {
  background: transparent;
  color: var(--gray-light);
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-family: 'Kanit', sans-serif;
  font-size: 12px;
  cursor: pointer;
  transition: color .1s, border-color .1s;
}
.btn-nav-logout:hover { color: #8b2e2e; border-color: #8b2e2e; }

.nav-link--admin { color: var(--amber) !important; }
.nav-link--admin.active {
  color: var(--amber) !important;
  border-bottom-color: var(--amber) !important;
}