/* IrisGo Skill Marketplace — design tokens + base */

:root {
  /* Surface */
  --bg: #ffffff;
  --bg-soft: #fafaf9;
  --bg-muted: #f5f5f4;
  --bg-sunken: #f0efed;
  --surface: #ffffff;
  --surface-raised: #ffffff;

  /* Text */
  --ink: #0f1115;
  --ink-1: #1c1f26;
  --ink-2: #4a4f5a;
  --ink-3: #6b7280;
  --ink-4: #9099a3;
  --ink-5: #b6bcc4;

  /* Borders */
  --line: #ebeae6;
  --line-strong: #dedcd6;
  --line-soft: #f1f0ec;

  /* Brand — IrisGo (deep green + lime) */
  --green:        #10413B;
  --green-dark:   #071C19;
  --lime:         #DDF79F;
  --lime-light:   #F6FFE0;
  --sky:          #C3FFF8;

  --iris-50:  #F6FFE0;   /* light-lime tint */
  --iris-100: #ECFFC3;
  --iris-200: #DDF79F;   /* lime */
  --iris-300: #B6E472;
  --iris-400: #6FAE5C;
  --iris-500: #2E7A55;
  --iris-600: #185A4D;
  --iris-700: #10413B;   /* green */
  --iris-800: #0B2D29;
  --iris-900: #071C19;   /* dark green */

  --accent: var(--green);
  --accent-soft: var(--lime-light);
  --accent-ink: var(--lime);

  /* Semantic */
  --green-50:#ecf7ee; --green-100:#d6efd9; --green-600:#137a3d; --green-700:#0c5f30;
  --amber-50:#fdf6e6; --amber-100:#f8e9bd; --amber-600:#a87000; --amber-700:#8a5a00;
  --red-50:#fcecec;   --red-100:#f6cfcf;   --red-600:#b8241e;   --red-700:#94170f;
  --blue-50:#ecf2ff;  --blue-100:#d4e0fb;  --blue-600:#1e5fd6;  --blue-700:#15469f;

  /* Type */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Radii */
  --r-1: 4px;
  --r-2: 6px;
  --r-3: 8px;
  --r-4: 10px;
  --r-5: 12px;
  --r-6: 16px;
  --r-pill: 999px;

  /* Shadows */
  --sh-1: 0 1px 0 rgba(15,17,21,0.04), 0 1px 2px rgba(15,17,21,0.04);
  --sh-2: 0 1px 2px rgba(15,17,21,0.05), 0 4px 12px rgba(15,17,21,0.06);
  --sh-3: 0 2px 6px rgba(15,17,21,0.06), 0 12px 32px rgba(15,17,21,0.10);
  --sh-pop: 0 12px 40px rgba(15,17,21,0.18), 0 0 0 1px rgba(15,17,21,0.06);
  --ring-focus: 0 0 0 3px rgba(110,84,191,0.18);

  /* Density */
  --gap-1: 4px;
  --gap-2: 8px;
  --gap-3: 12px;
  --gap-4: 16px;
  --gap-5: 20px;
  --gap-6: 24px;
  --gap-7: 32px;
  --gap-8: 48px;
  --gap-9: 64px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

/* Type scale */
.h1 { font: 600 44px/1.1 var(--font-display); letter-spacing: -0.025em; }
.h2 { font: 600 30px/1.18 var(--font-display); letter-spacing: -0.02em; }
.h3 { font: 600 22px/1.25 var(--font-display); letter-spacing: -0.01em; }
.h4 { font: 600 17px/1.3 var(--font-display); letter-spacing: -0.005em; }
.eyebrow { font: 600 11px/1 var(--font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.body  { font: 400 14.5px/1.55 var(--font-sans); color: var(--ink-1); }
.body-sm { font: 400 13px/1.5 var(--font-sans); color: var(--ink-2); }
.meta  { font: 400 12.5px/1.4 var(--font-sans); color: var(--ink-3); }
.mono  { font: 400 12.5px/1.4 var(--font-mono); }

a { color: inherit; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 14px;
  border-radius: var(--r-3); border: 1px solid transparent;
  font: 500 13.5px/1 var(--font-sans);
  cursor: pointer; user-select: none;
  background: var(--bg); color: var(--ink-1);
  border-color: var(--line-strong);
  transition: background .12s, border-color .12s, box-shadow .12s, color .12s;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-muted); }
.btn:focus-visible { outline: none; box-shadow: var(--ring-focus); }

.btn-primary {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.btn-primary:hover { background: #000; }

.btn-accent {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-accent:hover { background: var(--iris-800); border-color: var(--iris-800); }
.btn-lime { background: var(--lime); color: var(--green); border-color: var(--lime); }
.btn-lime:hover { background: #cef07d; border-color: #cef07d; }

.btn-ghost {
  background: transparent; border-color: transparent; color: var(--ink-2);
}
.btn-ghost:hover { background: var(--bg-muted); color: var(--ink-1); }

.btn-sm { height: 28px; padding: 0 10px; font-size: 12.5px; border-radius: var(--r-2); }
.btn-lg { height: 44px; padding: 0 18px; font-size: 14.5px; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--r-2);
  background: transparent; border: 1px solid transparent; cursor: pointer;
  color: var(--ink-2);
}
.icon-btn:hover { background: var(--bg-muted); color: var(--ink-1); }

/* Chip / pill */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 26px; padding: 0 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--bg);
  font: 500 12px/1 var(--font-sans);
  color: var(--ink-2);
  cursor: pointer; user-select: none;
  transition: background .12s, color .12s, border-color .12s;
}
.chip:hover { background: var(--bg-muted); color: var(--ink-1); }
.chip.active {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--ink-4); }
.chip.active .dot { background: #fff; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  height: 20px; padding: 0 7px;
  border-radius: var(--r-1);
  font: 600 11px/1 var(--font-sans);
  letter-spacing: 0.01em;
}
.badge-verified { background: var(--blue-50); color: var(--blue-700); }
.badge-secure   { background: var(--green-50); color: var(--green-700); }
.badge-team     { background: var(--iris-50); color: var(--iris-700); }
.badge-new      { background: var(--lime-light); color: var(--iris-700); }
.badge-popular  { background: var(--amber-50); color: var(--amber-700); }
.badge-deprecated { background: var(--red-50); color: var(--red-700); }
.badge-updated  { background: var(--bg-muted); color: var(--ink-2); }

.tag {
  display: inline-flex; align-items: center;
  height: 22px; padding: 0 8px;
  border-radius: var(--r-2);
  background: var(--bg-muted);
  color: var(--ink-2);
  font: 500 11.5px/1 var(--font-sans);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  transition: border-color .12s, box-shadow .12s, transform .12s;
}
.card.hoverable { cursor: pointer; }
.card.hoverable:hover {
  border-color: var(--line-strong);
  box-shadow: var(--sh-2);
}

/* Divider */
.hr { height: 1px; background: var(--line); border: none; margin: 0; }

/* Utility */
.row { display: flex; align-items: center; }
.col { display: flex; flex-direction: column; }
.gap-1 { gap: var(--gap-1); } .gap-2 { gap: var(--gap-2); } .gap-3 { gap: var(--gap-3); }
.gap-4 { gap: var(--gap-4); } .gap-5 { gap: var(--gap-5); } .gap-6 { gap: var(--gap-6); }
.gap-7 { gap: var(--gap-7); } .gap-8 { gap: var(--gap-8); }
.grow { flex: 1 1 auto; min-width: 0; }
.center { align-items: center; justify-content: center; }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.text-2 { color: var(--ink-2); }
.text-3 { color: var(--ink-3); }
.text-4 { color: var(--ink-4); }
.mono { font-family: var(--font-mono); }

/* Skill avatar (gradient tile w/ glyph) */
.savatar {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-3);
  background: var(--bg-muted);
  color: var(--ink-1);
  font: 600 14px/1 var(--font-display);
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.savatar::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.5), rgba(255,255,255,0) 60%);
  pointer-events: none;
}
.savatar svg { width: 55%; height: 55%; }

/* Section header */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 16px;
}
.section-head .right { display: flex; align-items: center; gap: 12px; }
.section-head a.see-all {
  font: 500 13px/1 var(--font-sans);
  color: var(--ink-2); text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.section-head a.see-all:hover { color: var(--ink); }

/* App shell */
.app-shell {
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  display: flex; flex-direction: column;
}

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.85);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  height: 60px;
  display: flex; align-items: center; gap: 24px;
  padding: 0 28px;
  max-width: 1440px; margin: 0 auto;
}
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  font: 600 16px/1 var(--font-display);
  letter-spacing: -0.01em;
  text-decoration: none; color: var(--ink);
}
.brand-mark {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-mark svg { width: 100%; height: 100%; display: block; }

.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-link {
  height: 32px; padding: 0 10px;
  display: inline-flex; align-items: center;
  font: 500 13.5px/1 var(--font-sans);
  color: var(--ink-2);
  border-radius: var(--r-2);
  text-decoration: none; cursor: pointer;
}
.nav-link:hover { background: var(--bg-muted); color: var(--ink); }
.nav-link.active { color: var(--ink); background: var(--bg-muted); }

.search-trigger {
  display: flex; align-items: center; gap: 10px;
  height: 36px; padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-3);
  background: var(--bg-soft);
  color: var(--ink-3);
  font: 400 13.5px/1 var(--font-sans);
  width: 320px;
  cursor: pointer;
}
.search-trigger:hover { background: var(--bg); border-color: var(--ink-4); color: var(--ink-2); }
.search-trigger kbd {
  margin-left: auto;
  font: 500 11px/1 var(--font-mono);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 3px 6px;
  border-radius: 4px;
  color: var(--ink-3);
}

.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--iris-300), var(--iris-600));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 12px/1 var(--font-sans);
}

/* Page container */
.page { max-width: 1440px; margin: 0 auto; padding: 0 28px; width: 100%; }
.page-narrow { max-width: 1240px; }

/* Forms */
.input {
  height: 36px; padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-3);
  background: var(--bg);
  font: 400 14px/1 var(--font-sans);
  color: var(--ink);
  outline: none;
  width: 100%;
}
.input:focus { border-color: var(--accent); box-shadow: var(--ring-focus); }

/* Skeletons */
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skel {
  background: linear-gradient(90deg, var(--bg-muted) 0%, var(--bg-sunken) 50%, var(--bg-muted) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
  border-radius: var(--r-2);
}

/* Scrollbar (subtle) */
.scroll-thin::-webkit-scrollbar { width: 10px; height: 10px; }
.scroll-thin::-webkit-scrollbar-track { background: transparent; }
.scroll-thin::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }
.scroll-thin::-webkit-scrollbar-thumb:hover { background: var(--ink-4); border: 3px solid transparent; background-clip: content-box; }

/* Reset for buttons used as cards */
button.unstyled {
  background: none; border: none; padding: 0; margin: 0; font: inherit; color: inherit; cursor: pointer; text-align: inherit;
}