/* Shared Tool Library Ledger - Styles */
:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f0ea;
  --color-primary: #8b5e3c;
  --color-primary-hover: #6d4830;
  --color-primary-light: #f0e6d8;
  --color-secondary: #4a6741;
  --color-secondary-hover: #3a5233;
  --color-accent: #c75c2e;
  --color-text: #2c2420;
  --color-text-muted: #6b5e57;
  --color-border: #e0d5c8;
  --color-danger: #c0392b;
  --color-warning: #d4a017;
  --color-success: #2e7d32;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; gap: 1rem; }

.logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--color-primary); font-weight: 700; font-size: 1.25rem; }
.logo-icon { flex-shrink: 0; }

.nav { display: flex; gap: 1.5rem; }
.nav-link { text-decoration: none; color: var(--color-text-muted); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.nav-link:hover, .nav-link:focus { color: var(--color-primary); }

/* Hero */
.hero { padding: 4rem 0 3rem; background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%); }
.hero h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1rem; color: var(--color-text); }
.hero-sub { font-size: 1.15rem; color: var(--color-text-muted); max-width: 600px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-surface); color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover, .btn-secondary:focus { background: var(--color-primary-light); }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* Sections */
section { padding: 3rem 0; }
section h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; }
.section-desc { color: var(--color-text-muted); margin-bottom: 1.5rem; max-width: 600px; }
.mt-16 { margin-top: 1rem; }
.mt-24 { margin-top: 1.5rem; }

/* Ledger layout */
.ledger-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2rem; }
.ledger-sidebar { position: relative; }
.sticky-card { position: sticky; top: 80px; }

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: 0.5rem; }
.card-header h3 { font-size: 1.1rem; font-weight: 600; }
.card-actions { display: flex; gap: 0.5rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 0.25rem; color: var(--color-text-muted); }
.form-group input, .form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }

.inline-form { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: 1rem; }
.inline-form .form-group { flex: 1; min-width: 160px; margin-bottom: 0; }

/* Loans list */
.loans-list { display: flex; flex-direction: column; gap: 0.75rem; }
.loan-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem;
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  gap: 1rem;
}
.loan-info { flex: 1; min-width: 0; }
.loan-tool { font-weight: 600; font-size: 1rem; }
.loan-member { color: var(--color-text-muted); font-size: 0.9rem; }
.loan-due { font-size: 0.85rem; }
.loan-due.overdue { color: var(--color-danger); font-weight: 600; }
.loan-note { font-size: 0.85rem; color: var(--color-text-muted); font-style: italic; margin-top: 0.25rem; }
.loan-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-overdue { background: #fde8e8; color: var(--color-danger); }
.badge-due-soon { background: #fef3cd; color: var(--color-warning); }
.badge-ok { background: #e6f4ea; color: var(--color-success); }

.return-item { padding: 0.75rem 1rem; background: var(--color-surface-alt); border-radius: var(--radius); border: 1px solid var(--color-border); }
.return-info { font-size: 0.95rem; }
.return-condition { font-size: 0.85rem; }
.return-condition.good { color: var(--color-success); }
.return-condition.fair { color: var(--color-warning); }
.return-condition.damaged, .return-condition.broken { color: var(--color-danger); }
.return-date { font-size: 0.8rem; color: var(--color-text-muted); }

.empty-state { color: var(--color-text-muted); font-style: italic; text-align: center; padding: 1.5rem; }

/* Tools grid */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.75rem; margin-top: 1rem; }
.tool-card {
  padding: 1rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}
.tool-name { font-weight: 600; font-size: 0.95rem; }
.tool-desc { font-size: 0.85rem; color: var(--color-text-muted); }
.tool-status { font-size: 0.75rem; font-weight: 600; padding: 0.15rem 0.4rem; border-radius: 4px; }
.status-available { background: #e6f4ea; color: var(--color-success); }
.status-checked-out { background: #fde8e8; color: var(--color-danger); }
.btn-remove { background: none; border: none; color: var(--color-text-muted); cursor: pointer; font-size: 1.25rem; padding: 0; line-height: 1; }
.btn-remove:hover { color: var(--color-danger); }

/* Members grid */
.members-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.member-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}
.member-chip .btn-remove { font-size: 1rem; }

/* Help section */
.section-help { background: var(--color-surface); }
.help-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.help-card { padding: 1.5rem; background: var(--color-bg); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.help-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.help-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.help-card p { font-size: 0.95rem; color: var(--color-text-muted); }

.help-details { display: flex; flex-direction: column; gap: 1.5rem; }
.help-block { padding: 1.5rem; background: var(--color-bg); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.help-block h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.help-block p, .help-block li { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.7; }
.help-block ul { padding-left: 1.25rem; margin-top: 0.5rem; }
.help-block li { margin-bottom: 0.5rem; }
.help-block strong { color: var(--color-text); }

/* Footer */
.site-footer {
  margin-top: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}
.footer-inner { display: flex; flex-direction: column; gap: 1rem; }
.footer-brand .logo-text { font-weight: 700; font-size: 1.1rem; color: var(--color-primary); }
.footer-tagline { font-size: 0.9rem; color: var(--color-text-muted); }
.footer-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-nav a { text-decoration: none; color: var(--color-text-muted); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--color-primary); }
.footer-note { font-size: 0.85rem; color: var(--color-text-muted); }
.footer-copy { font-size: 0.8rem; color: var(--color-text-muted); }

/* Print styles */
@media print {
  .site-header, .site-footer, .ledger-sidebar, .hero, .section-tools, .section-members, .section-help, .btn, .card-actions { display: none !important; }
  .ledger-layout { display: block; }
  .card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  body { background: #fff; }
}

/* Responsive */
@media (max-width: 900px) {
  .ledger-layout { grid-template-columns: 1fr; }
  .sticky-card { position: static; }
  .hero h1 { font-size: 2rem; }
}

@media (max-width: 600px) {
  .header-inner { flex-direction: column; padding: 0.5rem 0; }
  .nav { gap: 1rem; flex-wrap: wrap; justify-content: center; }
  .hero { padding: 2.5rem 0 2rem; }
  .hero h1 { font-size: 1.65rem; }
  .hero-actions { flex-direction: column; }
  .inline-form { flex-direction: column; }
  .inline-form .form-group { width: 100%; }
  section { padding: 2rem 0; }
  .loan-item { flex-direction: column; }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}