/* Skin Talk University, built on the Skin Talk Design System (tokens.json).
   Fonts: Sofia Pro / Tenor Sans are named first so they apply wherever installed;
   they are not self-hosted (license + page-weight budget). See README "Brand". */
:root {
  /* Brand palette */
  --st-green-900: #0f3620;
  --st-green-800: #15492c;
  --st-green-700: #1d5d39;
  --st-green-500: #4a7a5a;
  --st-green-300: #a9da6e;
  --st-green-200: #c8eaaa;
  --st-green-100: #e8fad4;
  --st-green-50:  #f3fbe9;
  --st-cream: #f5f5f2;
  --st-white: #ffffff;

  /* Semantic */
  --color-primary: var(--st-green-800);
  --color-primary-hover: var(--st-green-700);
  --color-primary-press: var(--st-green-900);
  --color-accent: var(--st-green-300);
  --surface-page: var(--st-cream);
  --surface-card: var(--st-white);
  --surface-soft: var(--st-green-100);
  --surface-tint: var(--st-green-50);
  --surface-dark: var(--st-green-800);
  --text-strong: var(--st-green-800);
  --text-muted: var(--st-green-500);
  --text-on-dark: var(--st-white);
  --border-subtle: var(--st-green-200);
  --border-strong: var(--st-green-500);
  --color-success: #3f8f4f;
  --color-warning: #c9922b;
  --color-danger: #b4452f;
  --focus-ring: rgba(181, 214, 124, 0.55);

  /* Type */
  --font-heading: 'Sofia Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Tenor Sans', Optima, Candara, 'Segoe UI', system-ui, sans-serif;
  --font-accent: 'Droid Serif', Georgia, serif;
  --tracking-tight: -0.02em;
  --tracking-caps: 0.12em;

  /* Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-xs: 0 1px 2px rgba(15, 54, 32, 0.06);
  --shadow-sm: 0 2px 8px rgba(15, 54, 32, 0.07);
  --shadow-md: 0 6px 20px rgba(15, 54, 32, 0.10);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 140ms;
  --dur-base: 220ms;

  /* Legacy aliases used by page-level styles */
  --brand: var(--color-primary);
  --ink: var(--text-strong);
  --ink-soft: var(--text-muted);
  --serif: var(--font-heading);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-strong);
  font: 17px/1.7 var(--font-body);
}
main { max-width: 560px; margin: 0 auto; padding: 16px 16px 48px; }
.wide main, main.wide { max-width: 960px; }

/* Header: real logo + University eyebrow */
header.brand { text-align: center; padding: 28px 16px 8px; }
header.brand .logo { display: block; width: 168px; height: auto; margin: 0 auto; }
header.brand .eyebrow { margin-top: 10px; }
header.brand h1 {
  font: 300 1.75rem/1.2 var(--font-heading);
  letter-spacing: var(--tracking-tight);
  margin: 6px 0 0;
}
header.brand p { margin: 2px 0 0; color: var(--text-muted); font-size: .95rem; }

.eyebrow {
  font: 400 .75rem/1.3 var(--font-heading);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-muted);
}

h2 {
  font: 300 1.5rem/1.25 var(--font-heading);
  letter-spacing: var(--tracking-tight);
  margin: 1.2em 0 .4em;
}
a { color: var(--st-green-700); }
a:hover { color: var(--color-primary-press); }

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  margin: 14px 0;
}
.card.soft { background: var(--surface-soft); box-shadow: none; }

label { display: block; font: 400 .95rem/1.4 var(--font-heading); margin: 16px 0 6px; }
label .opt { color: var(--text-muted); }
input[type=text], input[type=tel], input[type=email], input[type=number], input[type=password], input[type=search], textarea, select {
  width: 100%;
  font: 400 1rem/1.4 var(--font-body);
  padding: 12px 14px;
  min-height: 48px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  color: var(--text-strong);
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
textarea { min-height: 96px; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
button:focus-visible, a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--focus-ring);
}

.check { display: flex; gap: 12px; align-items: flex-start; font: 400 .95rem/1.5 var(--font-body); margin-top: 18px; }
.check input { width: 24px; height: 24px; flex: none; margin-top: 2px; accent-color: var(--color-primary); }
.fine { font-size: .875rem; line-height: 1.5; color: var(--text-muted); }

/* Buttons: pill, flat, all-caps label */
button, .btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 20px;
  padding: 12px 24px;
  font: 400 .875rem/1 var(--font-heading);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--text-on-dark);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);
}
button:hover, .btn:hover { background: var(--color-primary-hover); color: var(--text-on-dark); }
button:active, .btn:active { transform: scale(0.97); background: var(--color-primary-press); }
button.secondary, .btn.secondary { background: transparent; color: var(--color-primary); border-color: var(--border-strong); }
button.secondary:hover, .btn.secondary:hover { background: var(--surface-tint); color: var(--color-primary); }
button.small, .btn.small { width: auto; min-height: 44px; margin: 0; padding: 8px 16px; font-size: .75rem; }
button:disabled { opacity: .55; cursor: progress; transform: none; }

/* Messages: in-family tints, text kept at 4.5:1+ */
.msg { border-radius: var(--radius-md); padding: 12px 14px; margin: 12px 0; font-size: .95rem; line-height: 1.5; }
.msg.ok { background: var(--surface-soft); color: var(--st-green-800); }
.msg.warn { background: #fbf1dc; color: #6e4a07; }
.msg.bad { background: #f8e6e1; color: #8a3221; }
[hidden] { display: none !important; }

/* Progress */
.progress { text-align: center; }
.progress .count {
  font: 300 2.75rem/1 var(--font-heading);
  letter-spacing: var(--tracking-tight);
  color: var(--color-primary);
}
.bar { height: 10px; background: var(--surface-soft); border-radius: var(--radius-full); overflow: hidden; margin: 14px 0 6px; }
.bar > span { display: block; height: 100%; background: var(--color-primary); width: 0; border-radius: var(--radius-full); transition: width 400ms var(--ease-standard); }

/* Stamp grid */
.stamps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.stamps li {
  border: 1px dashed var(--border-strong); border-radius: var(--radius-lg);
  padding: 14px; background: var(--surface-card); min-height: 100px;
}
.stamps li.got { border: 1px solid var(--color-primary); background: var(--surface-tint); }
.stamps .seal { font: 400 .7rem/1.3 var(--font-heading); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-muted); }
.stamps li.got .seal { color: var(--color-primary); }
.stamps .name { font: 400 1rem/1.3 var(--font-heading); margin-top: 6px; }
.stamps .loc { font-size: .85rem; color: var(--text-muted); }

/* Result states */
.hero { text-align: center; padding: 32px 20px; }
.hero .mark {
  width: 64px; height: 64px; margin: 0 auto 4px;
  border-radius: var(--radius-full);
  display: grid; place-items: center;
  background: var(--surface-soft); color: var(--color-primary);
}
.hero .mark svg { width: 30px; height: 30px; }
.hero h2 { margin-top: .5em; }
.hero.dark { background: var(--surface-dark); color: var(--text-on-dark); border-color: var(--surface-dark); }
.hero.dark .eyebrow { color: var(--st-green-300); }
.hero.dark .mark { background: rgba(255, 255, 255, 0.12); color: var(--st-green-300); }
.accent-line { font: italic 400 1.05rem/1.5 var(--font-accent); }
.code {
  font: 400 2.25rem/1 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: .2em;
  background: var(--surface-card); color: var(--color-primary);
  border-radius: var(--radius-md); padding: 18px; margin: 16px 0;
}

/* Admin */
.nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 16px; }
.nav a {
  padding: 10px 16px; border-radius: var(--radius-full);
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  text-decoration: none; color: var(--color-primary);
  font: 400 .75rem/1.2 var(--font-heading); letter-spacing: var(--tracking-caps); text-transform: uppercase;
}
.nav a.on { background: var(--color-primary); color: var(--text-on-dark); border-color: var(--color-primary); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.stat {
  background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs); padding: 16px;
  font: 400 .75rem/1.3 var(--font-heading); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-muted);
}
.stat b { display: block; font: 300 2.25rem/1.1 var(--font-heading); letter-spacing: var(--tracking-tight); text-transform: none; color: var(--color-primary); margin-bottom: 4px; }
table { width: 100%; border-collapse: collapse; background: var(--surface-card); border-radius: var(--radius-lg); overflow: hidden; }
th { font: 400 .75rem/1.3 var(--font-heading); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--text-muted); }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1 1 auto; }
.muted { color: var(--text-muted); }