/* ── Variables ──────────────────────────────────────────────────────────────── */
:root {
  --bg:         #0a0b0f;
  --bg2:        #111318;
  --bg3:        #181b22;
  --border:     #232730;
  --border2:    #2e3340;
  --text:       #e8eaf0;
  --text2:      #8b93a8;
  --text3:      #555e75;
  --accent:     #4ade80;
  --accent2:    #22c55e;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --danger:     #f87171;
  --danger-dim: rgba(248, 113, 113, 0.12);
  --warn:       #fbbf24;
  --warn-dim:   rgba(251, 191, 36, 0.15);
  --mono:       'Space Mono', monospace;
  --sans:       'DM Sans', sans-serif;
  --radius:     10px;
  --radius-sm:  6px;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
}

/* ── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Noise overlay ──────────────────────────────────────────────────────────── */
.noise {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* ── Topbar ─────────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(10,11,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--text);
  font-family: var(--mono); font-size: 1.1rem; font-weight: 700;
}
.brand-icon { color: var(--accent); font-size: 1.3rem; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-user {
  font-size: .8rem; color: var(--text3);
  font-family: var(--mono);
  border: 1px solid var(--border); border-radius: 20px; padding: .2rem .7rem;
}
.nav-link {
  text-decoration: none; color: var(--text2); font-size: .9rem;
  transition: color .15s;
  background: none; border: none; cursor: pointer; font-family: var(--sans);
}
.nav-link:hover { color: var(--text); }
.nav-link.btn-accent {
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(74,222,128,0.3); border-radius: 6px;
  padding: .35rem .85rem;
}
.nav-link.btn-accent:hover { background: rgba(74,222,128,0.2); }
.btn-ghost { background: none; }

/* ── Main content ───────────────────────────────────────────────────────────── */
.main-content { position: relative; z-index: 1; }

/* ── Alerts ─────────────────────────────────────────────────────────────────── */
.alert {
  max-width: 900px; margin: 1.5rem auto .5rem;
  padding: .75rem 1.25rem; border-radius: var(--radius-sm);
  font-size: .9rem;
}
.alert-success { background: var(--accent-dim); border: 1px solid rgba(74,222,128,.3); color: var(--accent); }
.alert-error   { background: var(--danger-dim); border: 1px solid rgba(248,113,113,.3); color: var(--danger); }

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .6rem 1.4rem; border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: .9rem; font-weight: 500;
  text-decoration: none; border: none; cursor: pointer; transition: all .15s;
}
.btn-primary {
  background: var(--accent); color: #0a0b0f; font-weight: 600;
}
.btn-primary:hover { background: var(--accent2); }
.btn-outline {
  background: transparent; color: var(--text2);
  border: 1px solid var(--border2);
}
.btn-outline:hover { border-color: var(--text3); color: var(--text); }
.btn-full { width: 100%; margin-top: .5rem; }
.btn-sm { padding: .35rem .8rem; font-size: .8rem; }
.btn-danger { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(248,113,113,.25); }
.btn-danger:hover { background: rgba(248,113,113,.25); }

/* ── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  max-width: 820px; margin: 0 auto;
  padding: 6rem 2rem 4rem;
  text-align: center;
}
.hero-badge {
  display: inline-block; margin-bottom: 1.5rem;
  padding: .3rem 1rem; border-radius: 20px;
  font-family: var(--mono); font-size: .75rem; letter-spacing: .05em;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid rgba(74,222,128,.25);
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 600; line-height: 1.15;
  letter-spacing: -.02em; margin-bottom: 1.2rem;
}
.hero-title em { color: var(--accent); font-style: normal; }
.hero-sub {
  font-size: 1.1rem; color: var(--text2); max-width: 520px;
  margin: 0 auto 2.5rem; line-height: 1.65;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; margin-bottom: 4rem; }
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem; text-align: left;
}
.feature {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
}
.feature-icon { font-size: 1.6rem; display: block; margin-bottom: .8rem; }
.feature h3 { font-size: 1rem; font-weight: 600; margin-bottom: .4rem; }
.feature p  { font-size: .875rem; color: var(--text2); line-height: 1.6; }

/* ── Auth pages ─────────────────────────────────────────────────────────────── */
.auth-page {
  display: flex; justify-content: center;
  padding: 4rem 1rem;
}
.auth-card {
  width: 100%; max-width: 440px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 2.5rem;
  box-shadow: var(--shadow);
}
.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-icon { font-size: 2.5rem; display: block; margin-bottom: .75rem; color: var(--accent); }
.auth-header h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: .4rem; }
.auth-header p  { color: var(--text2); font-size: .9rem; }
.auth-footer    { margin-top: 1.5rem; text-align: center; color: var(--text2); font-size: .875rem; }
.auth-footer a  { color: var(--accent); text-decoration: none; }
.auth-footer a:hover { text-decoration: underline; }

/* ── Forms ──────────────────────────────────────────────────────────────────── */
.field-group { margin-bottom: 1.1rem; }
.field-group label {
  display: block; font-size: .825rem; font-weight: 500;
  color: var(--text2); margin-bottom: .4rem;
}
.field-group input[type=text],
.field-group input[type=email],
.field-group input[type=password],
.field-group input[type=url],
.field-group textarea {
  width: 100%; padding: .65rem .9rem;
  background: var(--bg3); border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--sans); font-size: .9rem;
  transition: border-color .15s, box-shadow .15s; outline: none;
}
.field-group input:focus,
.field-group textarea:focus {
  border-color: rgba(74,222,128,.5);
  box-shadow: 0 0 0 3px rgba(74,222,128,.08);
}
.field-group textarea { resize: vertical; }
.field-divider {
  display: flex; align-items: center; gap: .75rem;
  margin: 1.4rem 0 1rem; color: var(--text3); font-size: .8rem;
}
.field-divider::before,
.field-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.field-hint { font-size: .8rem; color: var(--text3); margin-bottom: 1rem; line-height: 1.5; }
.field-error { font-size: .8rem; color: var(--danger); display: block; margin-top: .25rem; }
.field-inline { display: flex; align-items: center; gap: .5rem; }
.field-inline label { color: var(--text2); font-size: .875rem; display: flex; align-items: center; gap: .4rem; margin: 0; }
.optional { color: var(--text3); font-weight: 400; }
.badge-warning {
  background: var(--warn-dim); color: var(--warn);
  padding: .1rem .5rem; border-radius: 4px; font-size: .75rem; font-weight: 600;
}
.input-eye { position: relative; }
.input-eye input { padding-right: 2.5rem; }
.eye-btn {
  position: absolute; right: .6rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem;
  color: var(--text3); transition: color .15s;
}
.eye-btn:hover { color: var(--text2); }
.btn-generate {
  background: none; border: none; color: var(--accent); font-size: .8rem;
  cursor: pointer; padding: .3rem 0; margin-top: .3rem;
  font-family: var(--sans); text-decoration: underline;
}
.validation-summary {
  background: var(--danger-dim); border: 1px solid rgba(248,113,113,.3);
  border-radius: var(--radius-sm); padding: .75rem 1rem;
  margin-bottom: 1rem; font-size: .875rem; color: var(--danger);
}
.validation-summary ul { padding-left: 1.2rem; margin: 0; }

/* ── Form page ──────────────────────────────────────────────────────────────── */
.form-page { display: flex; justify-content: center; padding: 3rem 1rem; }
.form-card {
  width: 100%; max-width: 520px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 2.5rem;
  box-shadow: var(--shadow);
}
.form-card-header { margin-bottom: 2rem; }
.back-link { font-size: .85rem; color: var(--text3); text-decoration: none; display: block; margin-bottom: .75rem; }
.back-link:hover { color: var(--text2); }
.form-card-header h1 { font-size: 1.5rem; font-weight: 600; }
.form-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ── Vault page ─────────────────────────────────────────────────────────────── */
.vault-page { max-width: 1100px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.vault-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 2rem;
}
.vault-header h1 { font-size: 1.8rem; font-weight: 600; margin-bottom: .25rem; }
.vault-subtitle { color: var(--text3); font-size: .875rem; }

/* ── Entries grid ───────────────────────────────────────────────────────────── */
.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem; margin-bottom: 2.5rem;
}
.entry-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.25rem 1rem;
  position: relative; transition: border-color .2s;
}
.entry-card:hover { border-color: var(--border2); }
.entry-card-shared { border-color: rgba(74,222,128,.15); }
.shared-badge {
  position: absolute; top: .75rem; right: .75rem;
  background: var(--accent-dim); color: var(--accent);
  font-size: .7rem; font-weight: 700; letter-spacing: .05em;
  padding: .15rem .55rem; border-radius: 4px; text-transform: uppercase;
}
.entry-card-header { margin-bottom: 1rem; }
.entry-site-info { display: flex; align-items: center; gap: .75rem; }
.entry-favicon {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--bg3), var(--border2));
  border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 700; font-size: .9rem;
  color: var(--accent); flex-shrink: 0;
}
.entry-favicon-shared { color: var(--text2); }
.entry-site-name { font-weight: 600; font-size: .95rem; }
.entry-url { font-size: .75rem; color: var(--text3); text-decoration: none; display: block; }
.entry-url:hover { color: var(--accent); }
.entry-owner { font-size: .75rem; color: var(--text3); }
.entry-field { margin-bottom: .65rem; }
.entry-label { display: block; font-size: .75rem; color: var(--text3); margin-bottom: .2rem; }
.entry-value { font-size: .875rem; word-break: break-all; }
.entry-notes { color: var(--text2); font-size: .8rem; }
.entry-shared-pw { color: var(--text3); font-style: italic; font-size: .8rem; }
.password-reveal { display: flex; align-items: center; gap: .5rem; }
.password-mask { font-family: var(--mono); letter-spacing: .05em; }
.btn-reveal {
  background: none; border: 1px solid var(--border); border-radius: 4px;
  color: var(--text3); font-size: .75rem; padding: .15rem .55rem; cursor: pointer;
  transition: all .15s; font-family: var(--sans); flex-shrink: 0;
}
.btn-reveal:hover { color: var(--text); border-color: var(--text3); }
.entry-actions {
  display: flex; gap: .5rem; margin-top: 1rem;
  padding-top: 1rem; border-top: 1px solid var(--border);
}

/* ── Section title ──────────────────────────────────────────────────────────── */
.section-title {
  font-size: 1.1rem; font-weight: 600; color: var(--text2);
  margin-bottom: 1rem;
  padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}

/* ── Empty state ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 5rem 2rem;
  color: var(--text2);
}
.empty-icon { font-size: 3rem; display: block; margin-bottom: 1rem; }
.empty-state h2 { font-size: 1.25rem; margin-bottom: .5rem; color: var(--text); }
.empty-state p  { font-size: .9rem; margin-bottom: 1.5rem; }

/* ── Share info box ─────────────────────────────────────────────────────────── */
.share-info {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1rem 1.2rem; margin-bottom: 1.5rem;
}
.share-info-icon { font-size: 1.5rem; flex-shrink: 0; }
.share-info strong { display: block; margin-bottom: .3rem; }
.share-info p { font-size: .85rem; color: var(--text2); line-height: 1.5; }