/* ===== หน้าเข้าสู่ระบบ (views/site/login.php) — ธีม pv2: paper + เขียว/ทอง ===== */

.lg-page {
  display: flex;
  justify-content: center;
  padding: 40px 0 8px;
}
.lg-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  width: 100%;
  max-width: 940px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--rule-soft);
  box-shadow: 0 1px 2px rgba(18, 59, 39, .06), 0 18px 48px -12px rgba(18, 59, 39, .22);
}

/* ---------- ส่วนแบรนด์ ---------- */
.lg-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 40px 40px 36px;
  color: #fff;
  background:
    radial-gradient(520px 300px at 110% 110%, rgba(169, 125, 47, .38), transparent 70%),
    radial-gradient(420px 260px at -10% -10%, rgba(255, 255, 255, .10), transparent 70%),
    linear-gradient(160deg, var(--green) 0%, var(--green-deep) 78%);
  isolation: isolate;
}
/* ลายเส้นบรรทัดจาง ๆ แบบพื้นหลังของธีม */
.lg-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 100% 42px;
}
.lg-brand::after {
  content: "";
  position: absolute;
  left: 40px;
  right: 40px;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(169, 125, 47, 0));
}
.lg-brand-logo {
  align-self: flex-start;
  padding: 10px 16px;
  margin-bottom: 30px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}
.lg-brand-logo img { display: block; height: 58px; width: auto; }
.lg-brand-kicker {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: #E9D3A6;
}
.lg-brand-title {
  margin: 4px 0 10px;
  font-family: 'Taviraj', serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .02em;
  color: #fff;
}
.lg-brand-lead {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}
.lg-brand-points {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.lg-brand-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .9);
}
.lg-brand-points svg {
  flex: none;
  width: 22px;
  height: 22px;
  padding: 4px;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, .14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
}

/* ---------- ฟอร์ม ---------- */
.lg-form { padding: 44px 44px 36px; }
.lg-form-title {
  margin: 0;
  font-family: 'Taviraj', serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--green-deep);
}
.lg-form-sub { margin: 2px 0 18px; font-size: 14px; color: var(--ink-soft); }

.lg-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.55;
  border-radius: 10px;
  color: var(--gold-deep);
  background: var(--gold-tint);
  border: 1px solid rgba(169, 125, 47, .28);
}
.lg-note svg { flex: none; margin-top: 1px; color: var(--gold); }
.lg-note b { color: var(--ink); font-weight: 600; }

.lg-fields .form-label,
.lg-fields .control-label {
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.lg-fields .mb-3 { margin-bottom: 16px !important; }

.lg-input { position: relative; }
.lg-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  color: var(--ink-faint);
  pointer-events: none;
  transition: color .15s;
}
.lg-input .form-control {
  height: 48px;
  padding: 0 46px 0 44px;
  font-size: 15px;
  color: var(--ink);
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: #FCFCF9;
  box-shadow: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.lg-input .form-control::placeholder { color: var(--ink-faint); }
.lg-input .form-control:focus {
  background: #fff;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(31, 109, 69, .14);
}
.lg-input:focus-within .lg-input-icon { color: var(--green); }
.lg-input .form-control.is-invalid {
  border-color: var(--red);
  background-image: none;
}
.lg-input .form-control.is-invalid:focus { box-shadow: 0 0 0 4px rgba(154, 51, 36, .14); }
.lg-fields .invalid-feedback { margin-top: 6px; font-size: 13px; color: var(--red); }

.lg-eye {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--ink-faint);
  background: transparent;
  cursor: pointer;
}
.lg-eye:hover { color: var(--green); background: var(--green-tint); }
.lg-eye[aria-pressed="true"] { color: var(--green); }
.lg-eye:focus-visible { outline: 2px solid var(--green); outline-offset: 1px; }

.lg-caps {
  margin: -8px 0 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gold-deep);
}

.lg-remember { margin: 4px 0 22px !important; }
.lg-remember .form-check-input { width: 1.1em; height: 1.1em; margin-top: .3em; border-color: var(--rule); cursor: pointer; }
.lg-remember .form-check-input:checked { background-color: var(--green); border-color: var(--green); }
.lg-remember .form-check-input:focus { box-shadow: 0 0 0 4px rgba(31, 109, 69, .14); border-color: var(--green); }
.lg-remember .form-check-label { font-size: 14px; color: var(--ink-soft); cursor: pointer; }

.lg-submit {
  position: relative;
  width: 100%;
  height: 50px;
  border: 0;
  border-radius: 10px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: #fff;
  background: linear-gradient(180deg, var(--green) 0%, #185A39 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .15) inset, 0 8px 18px -8px rgba(18, 59, 39, .6);
  cursor: pointer;
  transition: transform .12s, box-shadow .15s, filter .15s;
}
.lg-submit:hover { filter: brightness(1.07); box-shadow: 0 1px 0 rgba(255, 255, 255, .15) inset, 0 12px 22px -8px rgba(18, 59, 39, .65); }
.lg-submit:active { transform: translateY(1px); }
.lg-submit:focus-visible { outline: 3px solid rgba(169, 125, 47, .6); outline-offset: 2px; }
/* สถานะกำลังเข้าสู่ระบบ */
.lg-submit.is-busy { color: transparent; pointer-events: none; }
.lg-submit.is-busy::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .35);
  border-top-color: #fff;
  animation: lg-spin .7s linear infinite;
}
@keyframes lg-spin { to { transform: rotate(360deg); } }

.lg-help {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule-soft);
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
}

/* ---------- จอเล็ก ---------- */
@media (max-width: 860px) {
  .lg-page { padding-top: 24px; }
  .lg-card { grid-template-columns: 1fr; max-width: 480px; }
  .lg-brand { padding: 28px 28px 24px; }
  .lg-brand::after { left: 28px; right: 28px; }
  .lg-brand-logo { margin-bottom: 18px; }
  .lg-brand-logo img { height: 46px; }
  .lg-brand-title { font-size: 24px; }
  .lg-brand-lead { margin-bottom: 0; }
  .lg-brand-points { display: none; }
  .lg-form { padding: 28px 28px 24px; }
}
@media (max-width: 420px) {
  .lg-page { padding-top: 12px; }
  .lg-card { border-radius: 14px; }
  .lg-brand,
  .lg-form { padding-left: 20px; padding-right: 20px; }
  .lg-brand::after { left: 20px; right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .lg-submit,
  .lg-input .form-control { transition: none; }
  .lg-submit.is-busy::after { animation-duration: 2s; }
}