/* ==========================================================
   plrt.nl — styles.css
   Tech-minimal design: slate/indigo palette
   ========================================================== */

/* ── Variables ─────────────────────────────────────────── */

:root {
  --bg: #F8FAFC;
  --bg-card: #FFFFFF;
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --text: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --border-hover: #CBD5E1;
  --success: #059669;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --max-width: 960px;
}

/* ── Reset & Base ──────────────────────────────────────── */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

img { max-width: 100%; display: block; }

/* ── Header (site-header.js overrides) ─────────────────── */

.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.main-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.main-nav a:hover { color: var(--text); }

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switcher {
  display: flex;
  gap: 0.25rem;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font-body);
}
.lang-btn:hover { color: var(--text); border-color: var(--border); }
.lang-btn.active { color: var(--primary); border-color: var(--primary); background: rgba(79,70,229,0.06); }

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s;
}

/* ── Hero ──────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-acronym {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* ── Sections ──────────────────────────────────────────── */

.section {
  padding: 3rem 1.5rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text);
}

/* ── Link Cards Grid ───────────────────────────────────── */

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.link-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.link-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.link-card-qr {
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.link-card-qr svg {
  width: 100%;
  height: 100%;
}

.link-card-url {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.link-card-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.link-card-actions {
  display: flex;
  gap: 0.5rem;
}

/* ── Buttons ───────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-body);
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover { border-color: var(--border-hover); background: var(--bg); }

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

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

/* ── About ─────────────────────────────────────────────── */

.about-content p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  max-width: 640px;
}

/* ── Footer ────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-sep {
  margin: 0 0.5rem;
  opacity: 0.4;
}

/* ── Fade-in animation ─────────────────────────────────── */

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ── User menu (from site-header.js) ───────────────────── */

.user-menu-wrapper { position: relative; }
.user-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  border-radius: 50%;
  display: flex;
}
.user-menu-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 200;
  overflow: hidden;
}
.user-menu-info {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.user-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-body);
}
.user-menu-item:hover { background: var(--bg); }
.user-menu-danger { color: #DC2626; }
.user-menu-admin { color: var(--primary); font-weight: 500; }
.user-menu-separator { height: 1px; background: var(--border); margin: 0.25rem 0; }

.header-signin-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  display: flex;
}
.header-signin-btn:hover { color: var(--text); }

/* User overlays (rename, my comments, delete) */
.user-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-overlay-content {
  background: var(--bg-card);
  border-radius: 12px;
  width: 90vw;
  max-width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.user-overlay-narrow { max-width: 360px; }
.user-overlay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.user-overlay-header h3 { font-size: 1rem; }
.user-overlay-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}
.user-overlay-body { padding: 1.25rem; }
.user-overlay-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.user-rename-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: var(--font-body);
}
.user-rename-error { color: #DC2626; font-size: 0.85rem; margin-top: 0.5rem; }

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }
  .site-header.menu-open .main-nav { display: flex; }
  .mobile-menu-btn { display: flex; }
  .hero { padding: 2.5rem 1.5rem 2rem; }
  .hero-title { font-size: 1.75rem; }
  .link-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .link-card { padding: 1.25rem; }
  .link-card-qr { width: 140px; height: 140px; }
}