/* Able AI — Design System tokens (v18). อ้างอิง docs/DESIGN_SYSTEM.md — ห้ามใช้สี/รัศมีนอกชุดนี้ */
:root {
  /* Brand */
  --brand-orange: #F97316;
  --brand-orange-soft: #FFEDD5;
  --brand-orange-dark: #C2410C;
  --brand-navy: #1E3A5F;
  --brand-navy-soft: #E8EEF5;
  /* Ink scale */
  --ink-900: #0F172A;
  --ink-700: #334155;
  --ink-500: #64748B;
  --ink-400: #94A3B8;
  --ink-300: #CBD5E1;
  --ink-200: #E2E8F0;
  --ink-100: #F1F5F9;
  --ink-50:  #F8FAFC;
  /* Semantic */
  --good: #10B981;
  --warn: #F59E0B;
  --bad:  #EF4444;
  --line: #ECEEF1;
  --card: #FFFFFF;
  --bg:   #F8FAFC;
  /* Shape */
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 1px rgba(15,23,42,.03);
  --shadow-md: 0 6px 18px -8px rgba(15,23,42,.12), 0 2px 4px rgba(15,23,42,.04);
  --shadow-lg: 0 18px 40px -12px rgba(15,23,42,.18);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--ink-900);
  background: var(--bg);
}
h1, h2, h3 { margin: 0; }
.mono { font-family: 'IBM Plex Mono', monospace; }

/* Buttons */
.btn {
  border: 0; cursor: pointer; border-radius: 10px; font-family: inherit;
  font-size: 13px; font-weight: 500; padding: 10px 16px; transition: transform .08s ease;
}
.btn-primary {
  background: var(--brand-orange); color: #fff;
  box-shadow: 0 4px 12px -2px rgba(249,115,22,.4);
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--ink-700);
  border: 1px solid var(--line); padding: 9px 14px;
}
.btn-ghost:hover { background: var(--ink-50); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* Inputs */
label.fld { display: block; font-size: 11.5px; font-weight: 600; color: var(--ink-700);
  text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 6px; }
input, select, textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--line);
  border-radius: 9px; font-size: 13.5px; background: #fff; font-family: inherit; color: var(--ink-900);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand-orange); }

/* Card */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow-sm); }

/* Pills */
.pill { display: inline-block; border-radius: 999px; padding: 3px 10px; font-size: 11px; font-weight: 600; }
.pill-starter { background: var(--ink-100); color: var(--ink-700); }
.pill-growth  { background: var(--brand-navy-soft); color: var(--brand-navy); }
.pill-pro     { background: var(--brand-orange-soft); color: var(--brand-orange-dark); }
.pill-active   { background: #DCFCE7; color: #166534; }
.pill-trial    { background: #FEF3C7; color: #92400E; }
.pill-suspended{ background: #FEE2E2; color: #991B1B; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; color: var(--ink-500); padding: 10px 12px; background: var(--ink-50);
  border-bottom: 1px solid var(--line); }
td { padding: 12px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
tbody tr:hover { background: var(--ink-50); }

/* Avatar */
.avatar { width: 32px; height: 32px; border-radius: 999px; display: grid; place-items: center;
  color: #fff; font-weight: 600; font-size: 12px;
  background: linear-gradient(135deg, var(--brand-navy), #3B5C8A); }

/* Modal */
.overlay { position: fixed; inset: 0; background: rgba(15,23,42,.45); backdrop-filter: blur(3px);
  display: grid; place-items: center; z-index: 50; opacity: 0; pointer-events: none; transition: opacity .15s; }
.overlay.show { opacity: 1; pointer-events: auto; }
.modal { background: #fff; border-radius: 16px; width: 560px; max-width: 92vw; max-height: 90vh;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; }
.modal-head { padding: 20px 24px 14px; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 500; }
.modal-body { padding: 20px 24px; overflow-y: auto; }
.modal-foot { padding: 16px 24px; background: var(--ink-50); display: flex; justify-content: flex-end; gap: 10px;
  border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; }

/* Toast — opacity:0 ต้องมี pointer-events:none (กัน bug v17) */
.toast { position: fixed; bottom: 24px; right: 24px; background: var(--ink-900); color: #fff;
  padding: 12px 18px; border-radius: 10px; font-size: 13px; box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 80; }
.toast.show { opacity: 1; }
.toast.bad { background: var(--bad); }
.toast.good { background: var(--good); }