/* DRS Skills — GitHub-style design system (dark theme by default) */

:root {
  /* GitHub Primer color tokens (dark) */
  --canvas-default: #0d1117;
  --canvas-subtle:  #161b22;
  --canvas-inset:   #010409;
  --canvas-overlay: #161b22;

  --border-default: #30363d;
  --border-muted:   #21262d;
  --border-subtle:  rgba(240, 246, 252, 0.1);

  --fg-default: #e6edf3;
  --fg-muted:   #7d8590;
  --fg-subtle:  #6e7681;
  --fg-onemphasis: #ffffff;

  --accent-fg:    #2f81f7;
  --accent-emphasis: #1f6feb;
  --accent-subtle: rgba(56, 139, 253, 0.15);

  --success-fg:   #3fb950;
  --success-emphasis: #238636;
  --success-emphasis-hover: #2ea043;

  --danger-fg:    #f85149;
  --danger-emphasis: #da3633;

  --attention-fg: #d29922;

  --btn-bg: #21262d;
  --btn-hover-bg: #30363d;
  --btn-border: var(--border-default);

  --shadow-small: 0 1px 0 rgba(1, 4, 9, 0.1);
  --shadow-medium: 0 3px 6px rgba(140, 149, 159, 0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --radius: 6px;
  --radius-lg: 12px;

  --container: 1012px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--canvas-default);
  color: var(--fg-default);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-fg);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

pre {
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
}

hr {
  border: none;
  border-top: 1px solid var(--border-muted);
  margin: 24px 0;
}

h1, h2, h3, h4 {
  margin: 0 0 12px;
  font-weight: 600;
  line-height: 1.25;
}
h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }

/* -------------------------- Layout -------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}
.container-wide {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

.stack > * + * { margin-top: 16px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.grow { flex: 1; }
.muted { color: var(--fg-muted); }
.text-small { font-size: 12px; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none !important; }

/* -------------------------- Header -------------------------- */
.site-header {
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border-default);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container-wide {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-default);
  font-weight: 600;
  font-size: 16px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-emphasis);
  color: #fff;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
}
.site-nav {
  display: flex;
  gap: 4px;
  margin-left: 8px;
}
.site-nav a {
  color: var(--fg-default);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
}
.site-nav a:hover {
  background: var(--btn-hover-bg);
  text-decoration: none;
}
.site-nav a.active {
  color: var(--fg-default);
  background: var(--btn-bg);
}
.header-spacer { flex: 1; }
.header-right { display: flex; gap: 8px; align-items: center; }

.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent-emphasis);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

/* -------------------------- Buttons -------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--btn-bg);
  color: var(--fg-default);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.1s, border-color 0.1s;
  text-decoration: none;
  line-height: 20px;
  min-height: 32px;
}
.btn:hover { background: var(--btn-hover-bg); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--success-emphasis);
  color: #fff;
  border-color: var(--border-subtle);
}
.btn-primary:hover { background: var(--success-emphasis-hover); }

.btn-danger {
  color: var(--danger-fg);
}
.btn-danger:hover {
  background: var(--danger-emphasis);
  color: #fff;
  border-color: var(--danger-emphasis);
}

.btn-large {
  font-size: 16px;
  padding: 8px 20px;
  min-height: 40px;
}

.btn-block { width: 100%; }

/* -------------------------- Forms -------------------------- */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-label .req { color: var(--danger-fg); }
.form-hint {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
}
.input, .textarea, .select {
  display: block;
  width: 100%;
  padding: 6px 12px;
  font-size: 14px;
  font-family: var(--font-sans);
  line-height: 20px;
  color: var(--fg-default);
  background: var(--canvas-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  min-height: 32px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--accent-fg);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.textarea { min-height: 120px; resize: vertical; font-family: var(--font-mono); font-size: 13px; }
.input.mono { font-family: var(--font-mono); letter-spacing: 0.2em; text-align: center; font-size: 24px; }

/* -------------------------- Box / Card -------------------------- */
.box {
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  overflow: hidden;
}
.box-header {
  padding: 12px 16px;
  background: var(--canvas-subtle);
  border-bottom: 1px solid var(--border-default);
  font-weight: 600;
  font-size: 14px;
}
.box-body { padding: 16px; }
.box-row {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.box-row:last-child { border-bottom: none; }

/* -------------------------- Flash / Alert -------------------------- */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid;
  margin-bottom: 16px;
  font-size: 14px;
}
.flash-info {
  background: var(--accent-subtle);
  border-color: var(--accent-emphasis);
  color: var(--fg-default);
}
.flash-success {
  background: rgba(46, 160, 67, 0.15);
  border-color: var(--success-emphasis);
}
.flash-warn {
  background: rgba(187, 128, 9, 0.15);
  border-color: var(--attention-fg);
}
.flash-error {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--danger-emphasis);
}

/* -------------------------- Labels / Badges -------------------------- */
.label {
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  height: 22px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border-default);
  color: var(--fg-muted);
}
.label-accent { color: var(--accent-fg); border-color: var(--accent-emphasis); background: var(--accent-subtle); }
.label-success { color: var(--success-fg); border-color: var(--success-emphasis); background: rgba(46, 160, 67, 0.15); }
.label-warn { color: var(--attention-fg); border-color: var(--attention-fg); background: rgba(187, 128, 9, 0.15); }

/* -------------------------- Hero / Landing -------------------------- */
.hero {
  padding: 64px 0 48px;
  text-align: center;
  border-bottom: 1px solid var(--border-muted);
}
.hero h1 {
  font-size: 48px;
  background: linear-gradient(180deg, #fff 0%, #c9d1d9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.hero .tagline {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 24px;
}
.hero-actions { display: inline-flex; gap: 12px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 48px 0;
}
.feature {
  padding: 24px;
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
}
.feature h3 { margin-bottom: 8px; }

/* -------------------------- Pricing card -------------------------- */
.pricing-wrap {
  display: flex;
  justify-content: center;
  margin: 48px 0;
}
.pricing-card {
  width: 100%;
  max-width: 420px;
  background: var(--canvas-subtle);
  border: 1px solid var(--accent-emphasis);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: 0 0 0 1px var(--accent-subtle), 0 10px 30px rgba(0,0,0,0.4);
}
.pricing-card .badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-emphasis);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.pricing-card .price {
  font-size: 56px;
  font-weight: 700;
  margin: 8px 0 0;
  letter-spacing: -1px;
}
.pricing-card .price .currency { font-size: 24px; vertical-align: top; color: var(--fg-muted); margin-right: 4px; }
.pricing-card .price-note { color: var(--fg-muted); font-size: 13px; margin-top: 4px; }
.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  text-align: left;
}
.pricing-card li {
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.pricing-card li::before {
  content: "✓";
  color: var(--success-fg);
  font-weight: 700;
  flex-shrink: 0;
}

/* -------------------------- Skill cards (dashboard) -------------------------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.skill-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: var(--canvas-subtle);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.skill-card:hover { border-color: var(--border-default); }
.skill-card .skill-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--accent-fg);
  margin-bottom: 4px;
}
.skill-card .skill-desc {
  color: var(--fg-muted);
  font-size: 13px;
  margin-bottom: 12px;
  min-height: 40px;
}
.skill-card .skill-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--fg-muted);
  font-size: 12px;
  margin-top: auto;
}

.locked-overlay {
  text-align: center;
  padding: 32px 16px;
  background: var(--canvas-subtle);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

/* -------------------------- Tables -------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-muted);
}
th {
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--canvas-subtle);
}

/* -------------------------- Invoice -------------------------- */
.invoice {
  background: #fff;
  color: #1f2328;
  padding: 48px;
  max-width: 820px;
  margin: 32px auto;
  border-radius: 8px;
  font-family: var(--font-sans);
}
.invoice h1 { color: #1f2328; }
.invoice .biz { font-size: 13px; color: #57606a; }
.invoice table { color: #1f2328; }
.invoice th { background: #f6f8fa; color: #1f2328; }
.invoice td, .invoice th { border-color: #d0d7de; }
.invoice .totals { margin-top: 16px; }
.invoice .totals .row-between { padding: 6px 0; }
.invoice .totals .grand {
  font-weight: 700;
  border-top: 2px solid #1f2328;
  padding-top: 10px;
  margin-top: 6px;
  font-size: 16px;
}
@media print {
  .site-header, .no-print { display: none !important; }
  body { background: #fff; }
  .invoice { box-shadow: none; margin: 0; }
}

/* -------------------------- Auth pages -------------------------- */
.auth-wrap {
  max-width: 380px;
  margin: 64px auto;
  padding: 0 16px;
}
.auth-wrap .brand {
  justify-content: center;
  font-size: 20px;
  margin-bottom: 24px;
}

/* -------------------------- Footer -------------------------- */
.site-footer {
  margin-top: 64px;
  padding: 32px 0;
  border-top: 1px solid var(--border-muted);
  color: var(--fg-muted);
  font-size: 12px;
}
.site-footer .container-wide {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.site-footer a { color: var(--fg-muted); }
.site-footer a:hover { color: var(--fg-default); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

/* -------------------------- Spinner -------------------------- */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--fg-muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* -------------------------- Misc -------------------------- */
.octicon { width: 16px; height: 16px; fill: currentColor; }

@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .site-nav { display: none; }
  .invoice { padding: 24px; }
}