/* ── StitchLab Design System ── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

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

:root {
  --ink: #0a0a0a;
  --paper: #f8f6f1;
  --accent: #e85d26;
  --accent-hover: #d14d1a;
  --accent-soft: #fef0ea;
  --muted: #6b6560;
  --border: #e0dbd4;
  --white: #ffffff;
  --success: #2d6a4f;
  --danger: #d62828;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Navigation ── */
.sl-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 100;
}

.sl-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--ink);
  text-decoration: none;
}
.sl-nav .logo span { color: var(--accent); }

.sl-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.sl-nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.sl-nav-links a:hover { color: var(--ink); }

.sl-nav-links .cart-link {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: all 0.2s;
}
.sl-nav-links .cart-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.cart-badge {
  background: var(--accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.cart-badge:empty { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  padding: 8px 16px;
}
.btn-ghost:hover { color: var(--ink); }
.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}
.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* ── Container ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ── Forms ── */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  font-family: 'Space Grotesk', sans-serif;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.2s;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-input::placeholder { color: #c0bbb5; }

/* ── Tags ── */
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
}
.tag-accent {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ── Page header ── */
.page-header {
  padding: 40px 0 32px;
}
.page-header h1 {
  font-size: clamp(28px, 3.5vw, 42px);
  letter-spacing: -1.5px;
  line-height: 1.1;
}
.page-header p {
  color: var(--muted);
  font-size: 17px;
  margin-top: 8px;
}

/* ── Footer ── */
.sl-footer {
  text-align: center;
  padding: 40px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.sl-footer p {
  font-size: 13px;
  color: var(--muted);
}

/* ── Toast notifications ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink);
  color: white;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 80px 40px;
}
.empty-state .icon { font-size: 64px; margin-bottom: 16px; }
.empty-state h3 {
  font-size: 24px;
  margin-bottom: 8px;
}
.empty-state p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 24px;
}

/* ── Loading spinner ── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Mobile ── */
@media (max-width: 768px) {
  .sl-nav { padding: 16px 20px; }
  .container { padding: 0 20px; }
  .sl-nav-links { gap: 12px; }
  .sl-nav-links a:not(.cart-link) { display: none; }
}