/* rememberme — dark theme: black / gray / green */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d0d0d;
  --bg2:       #161616;
  --bg3:       #1f1f1f;
  --border:    #2a2a2a;
  --text:      #d4d4d4;
  --text-dim:  #6b6b6b;
  --accent:    #22c55e;
  --accent-dk: #16a34a;
  --danger:    #ef4444;
  --radius:    6px;
  --font:      'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono:      'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ---- NAV ---- */
.nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 1.25rem;
  display: flex; align-items: center; gap: 1rem;
  height: 54px;
}
.nav-brand {
  font-size: 1.3rem; font-weight: 700;
  color: var(--text); letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav-links {
  display: flex; gap: 0.25rem; flex: 1;
  overflow-x: auto; white-space: nowrap;
}
.nav-cat {
  color: var(--text-dim); font-size: 0.82rem;
  padding: 0.25rem 0.6rem; border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.nav-cat:hover {
  color: var(--text); background: var(--bg3); text-decoration: none;
}
.nav-auth { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.nav-user { color: var(--accent); font-size: 0.85rem; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #000; font-weight: 600; font-size: 0.85rem;
  padding: 0.45rem 1rem; border-radius: var(--radius);
  border: none; cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--accent-dk); text-decoration: none; color: #000; }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.78rem; }
.btn-lg { padding: 0.65rem 1.5rem; font-size: 0.95rem; }
.btn-full { width: 100%; text-align: center; }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); background: var(--bg3); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn.active { background: var(--accent-dk); }

/* ---- MAIN / LAYOUT ---- */
.main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem; }

/* ---- HERO ---- */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}
.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800; letter-spacing: -1px; line-height: 1.15;
  margin-bottom: 0.75rem;
}
.hero-sub {
  color: var(--text-dim); font-size: 1.05rem; max-width: 520px; margin: 0 auto 1.75rem;
}
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.accent { color: var(--accent); }

/* ---- SECTIONS ---- */
.section { margin-top: 3rem; }
.section-title {
  font-size: 1rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-dim);
  margin-bottom: 1rem;
}

/* ---- CATEGORY GRID ---- */
.cat-grid {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.cat-card {
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text); padding: 0.4rem 1rem;
  border-radius: 999px; font-size: 0.85rem;
  transition: border-color 0.15s, color 0.15s;
}
.cat-card:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---- URL CARDS ---- */
.url-list { display: flex; flex-direction: column; gap: 0.75rem; }
.url-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.9rem 1rem;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.url-card:hover { border-color: #3a3a3a; }

.url-card-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }

.tag {
  font-size: 0.73rem; padding: 0.15rem 0.5rem;
  border-radius: 999px; background: var(--bg3);
  color: var(--text-dim); border: 1px solid var(--border);
  white-space: nowrap;
}
.tag-cat  { color: #a78bfa; border-color: #4c1d95; background: #1e1027; }
.tag-clicks { color: var(--accent); border-color: #14532d; background: #052e16; }
.tag-pub  { color: var(--accent); border-color: #14532d; background: #052e16; }
.tag-priv { color: #f59e0b; border-color: #78350f; background: #1c1007; }
.tag-date { color: var(--text-dim); }

.url-card-body { display: flex; flex-direction: column; gap: 0.2rem; }
.url-short {
  font-family: var(--mono); font-size: 0.9rem;
  color: var(--accent); word-break: break-all;
}
.url-original {
  font-size: 0.8rem; color: var(--text-dim);
  word-break: break-all; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.url-note { font-size: 0.82rem; color: var(--text-dim); font-style: italic; }

.url-card-actions {
  display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.25rem;
}

/* ---- FORMS ---- */
.form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group.grow { flex: 1; }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row .form-group { min-width: 180px; }

label { font-size: 0.82rem; color: var(--text-dim); }
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
select {
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.55rem 0.75rem; font-size: 0.9rem; width: 100%;
  outline: none; transition: border-color 0.15s;
}
input:focus, select:focus { border-color: var(--accent); }
select option { background: var(--bg3); }

.check-group { justify-content: flex-end; padding-bottom: 0.1rem; }
.check-label {
  display: flex; align-items: center; gap: 0.5rem;
  cursor: pointer; font-size: 0.85rem; color: var(--text);
  padding-top: 1.4rem;
}
input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

/* ---- ALERTS ---- */
.alert {
  padding: 0.7rem 1rem; border-radius: var(--radius);
  font-size: 0.88rem; margin-bottom: 1rem;
}
.alert-error { background: #1c0707; border: 1px solid #7f1d1d; color: #fca5a5; }
.alert-ok    { background: #052e16; border: 1px solid #14532d; color: #86efac; }

/* ---- AUTH ---- */
.auth-wrap {
  display: flex; justify-content: center; align-items: center;
  min-height: 60vh; padding: 2rem 1rem;
}
.auth-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  width: 100%; max-width: 400px;
}
.auth-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; }
.auth-alt { text-align: center; font-size: 0.85rem; color: var(--text-dim); margin-top: 1.25rem; }

/* ---- DASHBOARD ---- */
.dash-wrap { max-width: 860px; margin: 0 auto; }
.dash-header { margin-bottom: 1.5rem; }
.dash-header h2 { font-size: 1.5rem; font-weight: 700; }

.create-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem;
}
.create-title { font-size: 0.9rem; font-weight: 600; color: var(--text-dim); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.06em; }

.sort-bar {
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1rem; font-size: 0.82rem; color: var(--text-dim);
}

.empty-state {
  text-align: center; color: var(--text-dim);
  padding: 3rem 1rem; font-size: 0.95rem;
}

/* ---- PAGINATION ---- */
.pagination {
  display: flex; align-items: center; gap: 0.75rem;
  margin-top: 1.5rem; justify-content: center;
}
.page-num { color: var(--text-dim); font-size: 0.85rem; }

/* ---- CATEGORY PAGE ---- */
.cat-wrap { max-width: 860px; margin: 0 auto; }
.cat-page-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem;
}

/* ---- ANON BANNER ---- */
.anon-banner {
  display: flex; align-items: center; gap: 0.75rem;
  flex-wrap: wrap; margin-bottom: 1.5rem;
}
.anon-link {
  font-family: var(--mono); font-size: 0.9rem;
  color: var(--accent); word-break: break-all;
}

/* ---- FOOTER ---- */
.footer {
  text-align: center; color: var(--text-dim);
  font-size: 0.78rem; padding: 2rem 1rem;
  border-top: 1px solid var(--border); margin-top: 4rem;
}
.footer a { color: var(--text-dim); }

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .form-row { flex-direction: column; }
  .hero { padding: 2.5rem 0.5rem 2rem; }
}