/* ==========================================================
   HeloSChat Sign in — styled to match SAHAPHAN's liquid-glass /
   chrome look (same surfaces as the member & editor modals).
   Markup + behaviour live in index.html / js/signin.js (unchanged).
   ========================================================== */
.hud { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.home-top .home-brand { min-width: 0; }

/* Trigger: lives inside the hamburger menu now */
.signin-trigger {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; height: 46px; padding: 0 18px;
  border: 0; border-radius: 999px; cursor: pointer;
  font: 700 14px var(--font-body); letter-spacing: 0.04em; color: #000;
  background: linear-gradient(180deg, #ffffff 0%, #d9dde3 100%);
  box-shadow: inset 0 1px 0 #fff, 0 12px 30px -12px rgba(255,255,255,0.45);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: transform 0.3s var(--ease-out), background 0.25s;
}
.signin-trigger:hover { background: #fff; transform: translateY(-1px); }
.signin-trigger.is-signed-in::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px #4ade80; }

/* Dialog surface */
.signin-dialog {
  width: min(440px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); overflow: auto;
  margin: auto; padding: 0; border: 0; border-radius: 32px;
  color: var(--ink); font-family: var(--font-body);
  background: linear-gradient(145deg, rgba(40,43,50,0.94) 0%, rgba(14,15,18,0.96) 60%, rgba(8,9,11,0.98) 100%);
  backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.32),
    inset 0 0 0 1px rgba(255,255,255,0.12),
    inset 0 -20px 40px rgba(0,0,0,0.45),
    0 40px 100px -20px rgba(0,0,0,0.95);
  -webkit-user-select: text; user-select: text;
}
.signin-dialog[open] { animation: signin-in 0.45s var(--ease-out); }
@keyframes signin-in { from { opacity: 0; transform: translateY(18px) scale(0.97); } }
.signin-dialog::backdrop { background: rgba(3,4,6,0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }

/* chrome light along the top edge */
.signin-body { position: relative; padding: 34px 32px 30px; overflow: hidden; }
.signin-body::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 120px; pointer-events: none;
  background: radial-gradient(70% 100% at 30% 0%, rgba(255,255,255,0.14), transparent 70%);
}

.signin-close {
  position: absolute; top: 18px; right: 18px; z-index: 1;
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 0; border-radius: 50%; cursor: pointer; color: var(--ink);
  background: rgba(255,255,255,0.08); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14);
  transition: background 0.25s, transform 0.35s var(--ease-out);
}
.signin-close:hover { background: rgba(255,255,255,0.18); transform: rotate(90deg); }

.signin-eyebrow { position: relative; margin: 0 48px 12px 0; font: 600 10.5px var(--font-mono); letter-spacing: 0.28em; color: var(--ink-faint); }
.signin-dialog h2 {
  position: relative; margin: 0 40px 8px 0;
  /* Syncopate for Latin; Thai falls back to the body font without the wide tracking */
  font-family: var(--font-hero), var(--font-body); font-weight: 700; font-size: 24px; line-height: 1.25; letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--title-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.signin-intro { position: relative; margin: 0 0 24px; font-size: 14px; line-height: 1.7; color: var(--ink-dim); }

.signin-dialog label { display: block; margin-bottom: 8px; font: 600 12.5px var(--font-body); letter-spacing: 0.04em; color: var(--ink-dim); }
.signin-dialog input {
  width: 100%; height: 52px; padding: 12px 16px; border: 0; border-radius: 16px;
  font: 500 16px var(--font-mono); letter-spacing: 0.06em; color: #fff;
  background: rgba(0,0,0,0.38); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
  outline: none; transition: box-shadow 0.2s;
}
.signin-dialog input::placeholder { color: var(--ink-faint); }
.signin-dialog input:focus { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55), 0 0 0 4px rgba(255,255,255,0.07); }
.signin-dialog button:focus-visible, .signin-trigger:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.signin-helper { margin: 10px 2px 22px; font-size: 12.5px; line-height: 1.7; color: var(--ink-faint); }

.signin-primary {
  width: 100%; min-height: 50px; padding: 12px 18px; border: 0; border-radius: 999px; cursor: pointer;
  font: 700 14.5px var(--font-body); letter-spacing: 0.04em; color: #000;
  background: linear-gradient(180deg, #ffffff 0%, #d9dde3 100%);
  box-shadow: inset 0 1px 0 #fff, 0 14px 34px -14px rgba(255,255,255,0.5);
  transition: background 0.25s, transform 0.3s var(--ease-out);
}
.signin-primary:hover:not(:disabled) { background: #fff; transform: translateY(-1px); }
.signin-secondary {
  display: block; width: 100%; min-height: 46px; margin-top: 10px; padding: 10px 18px;
  border: 0; border-radius: 999px; cursor: pointer;
  font: 600 14px var(--font-body); color: #fca5a5;
  background: rgba(239,68,68,0.08); box-shadow: inset 0 0 0 1px rgba(239,68,68,0.4);
  transition: background 0.25s;
}
.signin-secondary:hover:not(:disabled) { background: rgba(239,68,68,0.18); }
.signin-dialog button:disabled { opacity: 0.55; cursor: wait; }

.signin-pending {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin: 0 0 18px; padding: 12px 16px; border-radius: 16px;
  font-size: 12.5px; color: var(--ink-dim);
  background: rgba(255,255,255,0.05); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
}
.signin-timer { flex-shrink: 0; font: 600 14px var(--font-mono); color: var(--ink); }
.signin-target { font-family: var(--font-mono); color: var(--ink); overflow-wrap: anywhere; }
#signinCode { height: 60px; text-align: center; font-size: 26px; letter-spacing: 0.5em; }
.signin-restart {
  display: block; margin: 14px auto 0; padding: 8px 12px; border: 0; background: none; cursor: pointer;
  font-size: 13px; color: var(--ink-dim); text-decoration: underline; text-underline-offset: 4px;
}
.signin-restart:hover { color: #fff; }
.signin-message { margin: 14px 0 0; font-size: 13px; line-height: 1.7; color: #fecaca; overflow-wrap: anywhere; }
.signin-message:empty { display: none; }

/* Signed-in view */
.signin-account { text-align: center; }
.signin-initial {
  display: grid; place-items: center; width: 84px; height: 84px; margin: 4px auto 16px; border-radius: 50%;
  font-family: var(--font-fraktur); font-size: 44px; line-height: 1; color: #e9ecf1;
  background: radial-gradient(circle at 35% 30%, #2a2d33 0%, #0b0c0e 70%);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 12px 30px rgba(0,0,0,0.7);
}
.signin-name { margin: 0; font-family: var(--font-gothic); font-weight: 700; font-size: 26px; overflow-wrap: anywhere; }
.signin-account-uid { margin: 8px 0 26px; font: 500 12px var(--font-mono); letter-spacing: 0.06em; color: var(--ink-faint); overflow-wrap: anywhere; }

@media (max-width: 600px) {
  .signin-body { padding: 28px 22px 24px; }
  .signin-dialog h2 { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .signin-dialog[open] { animation: none; }
  .signin-dialog::backdrop { backdrop-filter: none; }
}