/* =========================================================================
   pos-web · app.css  —  light shared stylesheet for the auth foundation
   -------------------------------------------------------------------------
   Reuses the design tokens + icy-blue glacier feel of the Appsmith HTML clone
   (C:/Users/USER/panwarin/appsmith-html-clone/style.css). Tokens are copied
   here (not @import'd) so pos-web deploys as a self-contained static bundle.
   Mobile-first, Thai-friendly (Prompt), numbers in Inter.
   ========================================================================= */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Brand & palette (subset of the clone's tokens) */
  --c-primary:        #2563eb;
  --c-primary-strong: #1d4ed8;
  --c-primary-soft:   #dbeafe;
  --c-primary-ink:    #1e3a8a;

  --c-bg:        #e8f0fd;
  --c-bg-alt:    #d6e4fb;
  --c-surface:   #ffffff;
  --c-surface-2: #eef4fe;

  --c-ink:    #0f172a;
  --c-ink-2:  #334155;
  --c-muted:  #4b5a6e;
  --c-faint:  #8a99ad;

  --c-success:     #10b981;
  --c-success-soft:#dcfce7;
  --c-success-ink: #065f46;
  --c-danger:      #ef4444;
  --c-danger-soft: #fee2e2;
  --c-danger-ink:  #991b1b;
  --c-warn:        #f59e0b;
  --c-warn-soft:   #fef3c7;
  --c-warn-ink:    #92400e;

  --c-border:   #d2e2f7;
  --c-border-2: #a9c6ef;
  --c-row-line: #e1ecfb;

  /* LINE brand green */
  --c-line:        #06c755;
  --c-line-strong: #05b14b;

  --font-ui:  'Prompt', 'Noto Sans Thai', 'Leelawadee UI', 'Tahoma', system-ui, sans-serif;
  --font-num: 'Inter', 'Prompt', 'Segoe UI', system-ui, sans-serif;

  --fs-xs: 13px;  --fs-sm: 14px;  --fs-base: 16px;  --fs-md: 17px;
  --fs-lg: 20px;  --fs-xl: 24px;  --fs-2xl: 30px;

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;

  --r-sm: 10px; --r-md: 16px; --r-lg: 22px; --r-pill: 999px;
  --tap: 44px;
  --container: 900px;

  --sh-sm: 0 1px 2px rgba(37, 99, 235, .08);
  --sh-md: 0 2px 4px rgba(37, 99, 235, .06), 0 6px 18px -6px rgba(29, 78, 216, .18);
  --sh-lg: 0 14px 34px -10px rgba(37, 99, 235, .26);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--c-ink);
  background-color: var(--c-bg);
  /* icy glacier wall — light, fixed, gradient-only (no heavy SVG) */
  background-image:
    radial-gradient(120% 80% at 12% -10%, #f3f9ff 0%, rgba(243,249,255,0) 55%),
    radial-gradient(120% 90% at 90% 0%, #cfe3fb 0%, rgba(207,227,251,0) 50%),
    linear-gradient(180deg, #e8f2fe 0%, #d9e8fb 45%, #cfe1f8 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
}

a { color: var(--c-primary); }

/* ---- top bar ---------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: linear-gradient(180deg, #11366e, #0c2a59);
  color: rgba(235, 245, 255, .96);
  box-shadow: var(--sh-md);
}
.topbar__logo {
  width: 32px; height: 32px; flex: 0 0 auto;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff; display: grid; place-items: center;
  font-size: 16px; font-weight: 700;
}
.topbar__title { font-weight: 700; font-size: var(--fs-md); line-height: 1.2; }
.topbar__sub   { font-size: var(--fs-xs); color: rgba(214, 232, 255, .8); }
.topbar__spacer { flex: 1 1 auto; }

/* ---- layout ----------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-4) var(--sp-8);
}

/* center the login / callback splash vertically */
.auth-center {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-5);
}

/* ---- card (translucent ice block) ------------------------------------ */
.card {
  position: relative;
  background-color: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: var(--sp-5);
}
.card + .card { margin-top: var(--sp-4); }
.card__head {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-3);
}
.card__title { font-size: var(--fs-md); font-weight: 600; color: var(--c-ink); margin: 0; }
.card__subtitle { font-size: var(--fs-sm); color: var(--c-muted); margin: 2px 0 0; }

.auth-card { width: 100%; max-width: 420px; text-align: center; }
.auth-card .card__title { font-size: var(--fs-xl); }

/* ---- buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--sp-2);
  min-height: var(--tap);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-ui); font-size: var(--fs-base); font-weight: 600;
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-pill);
  background: var(--c-surface); color: var(--c-ink-2);
  cursor: pointer; text-decoration: none;
  transition: background .15s ease, transform .05s ease, filter .15s ease;
}
.btn:hover { background: var(--c-bg-alt); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.btn--primary { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-strong); }
.btn--ghost { background: transparent; border-color: var(--c-border-2); color: var(--c-ink-2); }
.btn--ghost:hover { background: var(--c-bg-alt); }
.btn--lg { min-height: 52px; padding: var(--sp-3) var(--sp-5); font-size: var(--fs-md); }
.btn--block { width: 100%; }
.btn--line {
  background: var(--c-line); border-color: var(--c-line); color: #fff;
}
.btn--line:hover { background: var(--c-line-strong); filter: none; }
.btn__line-logo {
  width: 22px; height: 22px; flex: 0 0 auto;
  border-radius: 6px; background: #fff; color: var(--c-line);
  display: grid; place-items: center; font-weight: 800; font-size: 12px;
}

/* ---- badges / chips --------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px var(--sp-2);
  border-radius: var(--r-pill);
  font-size: var(--fs-xs); font-weight: 600; line-height: 1.5;
  white-space: nowrap;
  background: var(--c-bg-alt); color: var(--c-ink-2);
}
.badge--primary { background: var(--c-primary-soft); color: var(--c-primary-ink); }
.badge--warn    { background: var(--c-warn-soft);    color: var(--c-warn-ink); }
.badge--success { background: var(--c-success-soft); color: var(--c-success-ink); }
.badge--lg { font-size: var(--fs-sm); padding: 5px var(--sp-3); }

.route-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin: 0; padding: 0; list-style: none; }
.route-chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  background: var(--c-primary-soft); color: var(--c-primary-ink);
  font-size: var(--fs-sm); font-weight: 600;
}
.route-chip__id {
  font-family: var(--font-num); font-size: var(--fs-xs);
  background: rgba(255,255,255,.7); color: var(--c-primary-strong);
  border-radius: var(--r-pill); padding: 1px 7px;
}

/* ---- identity block --------------------------------------------------- */
.who { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.who__avatar {
  width: 46px; height: 46px; flex: 0 0 auto;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff; display: grid; place-items: center;
  font-size: var(--fs-lg); font-weight: 700;
}
.who__name { font-size: var(--fs-lg); font-weight: 700; line-height: 1.2; }
.who__email { font-size: var(--fs-sm); color: var(--c-muted); }

/* ---- misc ------------------------------------------------------------- */
.muted  { color: var(--c-muted); }
.faint  { color: var(--c-faint); }
.center { text-align: center; }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.stack > * + * { margin-top: var(--sp-3); }
.hidden { display: none !important; }

.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  background: var(--c-warn-soft); color: var(--c-warn-ink);
  border: 1px solid #f3d488;
}
.alert--danger { background: var(--c-danger-soft); color: var(--c-danger-ink); border-color: #f3b4b4; }

.spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 4px solid var(--c-primary-soft);
  border-top-color: var(--c-primary);
  margin: 0 auto var(--sp-3);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (min-width: 640px) {
  .container { padding: var(--sp-6) var(--sp-5) var(--sp-10); }
}