/* =====================================================================
   Lab Stock System — Shared Styles
   โทนสี: คลินิก/ห้องปฏิบัติการ — teal เข้มเป็นสีหลัก, กระดาษขาวอมเทาเย็นเป็นพื้น
   ไม่ใช้โทน AI-generic (ครีม+ส้มอิฐ, ดำ+เขียวนีออน)
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --ink: #1b2430;
  --ink-soft: #4a5568;
  --paper: #f7f8fa;
  --paper-raised: #ffffff;
  --border: #e2e6ea;

  --primary: #0f6e6e;
  --primary-dark: #0b4f4f;
  --primary-soft: #e3f1f1;

  --amber: #c97a0c;
  --amber-soft: #fbeed9;

  --red: #b23a48;
  --red-soft: #f8e6e8;

  --green: #3f8f5f;
  --green-soft: #e6f3ea;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(27, 36, 48, 0.06), 0 4px 12px rgba(27, 36, 48, 0.05);

  --font-body: 'Sarabun', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------------------------------------------------------------------
   Auth pages (login / change-password)
   --------------------------------------------------------------------- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 20%, rgba(15, 110, 110, 0.06), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(15, 110, 110, 0.05), transparent 40%),
    var(--paper);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  animation: rise 0.35s ease-out;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.auth-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}

.auth-subtitle {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 28px;
  line-height: 1.5;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s, background 0.15s;
}

.field input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--paper-raised);
}

.field input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.btn {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}

.btn:hover { background: var(--primary-dark); }
.btn:active { transform: scale(0.99); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn:focus-visible {
  outline: 2px solid var(--primary-dark);
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  color: var(--ink-soft);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { background: var(--paper); color: var(--ink); }

.alert {
  display: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.5;
  margin-bottom: 18px;
}

.alert.show { display: block; }

.alert-error {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid rgba(178, 58, 72, 0.25);
}

.alert-success {
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid rgba(63, 143, 95, 0.25);
}

.auth-footnote {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.6;
}

/* ---------------------------------------------------------------------
   Dashboard shell
   --------------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--paper-raised);
  border-bottom: 1px solid var(--border);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
}

.topbar-title {
  font-weight: 700;
  font-size: 15.5px;
}

.topbar-sub {
  font-size: 12px;
  color: var(--ink-soft);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
}

.topbar-user-name {
  font-weight: 600;
}

.topbar-user-role {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.link-btn {
  background: none;
  border: none;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 13.5px;
  cursor: pointer;
  padding: 4px 2px;
}
.link-btn:hover { color: var(--primary); }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.page-header {
  margin-bottom: 22px;
}

.page-header h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.page-header p {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0;
}

/* Summary stat cards */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat-card .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
}

.stat-card .label {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 6px;
}

.stat-card.warn .num { color: var(--amber); }
.stat-card.critical .num { color: var(--red); }
.stat-card.ok .num { color: var(--primary); }

/* Controls */

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.controls input[type="search"] {
  flex: 1;
  min-width: 200px;
  padding: 9px 13px;
  font-family: var(--font-body);
  font-size: 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--paper-raised);
}

.controls select {
  padding: 9px 13px;
  font-family: var(--font-body);
  font-size: 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--paper-raised);
  color: var(--ink);
}

.controls input:focus, .controls select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Stock table */

.stock-table {
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stock-row {
  display: grid;
  grid-template-columns: 3px 110px 1fr 90px 90px 90px 130px 110px;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}

.stock-row:last-child { border-bottom: none; }
.stock-row:hover { background: var(--paper); }

.stock-row.head {
  cursor: default;
  background: var(--paper);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.stock-row.head:hover { background: var(--paper); }

.status-stripe {
  align-self: stretch;
  border-radius: 2px;
}

.status-stripe.ok { background: var(--green); }
.status-stripe.warn { background: var(--amber); }
.status-stripe.critical { background: var(--red); }

.cell-code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}

.cell-name {
  font-size: 14px;
  font-weight: 500;
}

.cell-name .sub {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  font-weight: 400;
}

.cell-num {
  font-family: var(--font-mono);
  font-size: 13.5px;
  text-align: right;
}

.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
  white-space: nowrap;
}

.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.badge.critical { background: var(--red-soft); color: var(--red); }

.cell-expiry {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  text-align: right;
}
.cell-expiry.warn { color: var(--amber); font-weight: 600; }

.detail-row {
  display: none;
  padding: 12px 16px 16px 22px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.detail-row.show { display: block; }

.detail-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.detail-chip {
  background: var(--paper-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.detail-chip .loc {
  color: var(--ink-soft);
  margin-right: 6px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
}

.empty-state .glyph {
  font-family: var(--font-mono);
  font-size: 32px;
  color: var(--border);
  margin-bottom: 10px;
}

.loading-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* Responsive */

@media (max-width: 720px) {
  .stock-row {
    grid-template-columns: 3px 1fr 80px;
    grid-template-areas:
      "stripe name status"
      "stripe meta meta";
    padding: 12px;
  }
  .stock-row.head { display: none; }
  .cell-code { grid-area: meta; }
  .cell-name { grid-area: name; }
  .badge { grid-area: status; justify-self: end; }
  .cell-num, .cell-expiry { display: none; }

  .topbar { padding: 14px 16px; flex-wrap: wrap; gap: 10px; }
  .page { padding: 20px 14px 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .auth-card { animation: none; }
  * { transition: none !important; }
}