:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: #2e3350;
  --text: #e8eaf0;
  --text2: #9098b8;
  --accent: #6c8bff;
  --accent2: #a78bfa;
  --success: #34d399;
  --danger: #f87171;
  --warning: #fbbf24;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.5px;
}
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--text2); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); }
.btn-logout {
  background: var(--bg3);
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* Main */
.main-content { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }

/* Flash messages */
.flash-messages { margin-bottom: 20px; }
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.flash-success { background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.3); color: var(--success); }
.flash-danger  { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); color: var(--danger); }
.flash-info    { background: rgba(108,139,255,0.12); border: 1px solid rgba(108,139,255,0.3); color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 18px; border-radius: 8px; font-size: 0.88rem;
  font-weight: 500; cursor: pointer; border: 1px solid transparent;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-primary:hover { background: #5a78ff; color: #fff; }
.btn-secondary {
  background: var(--bg3); color: var(--text2); border-color: var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--accent); }
.btn-accent {
  background: rgba(167,139,250,0.15); color: var(--accent2); border-color: rgba(167,139,250,0.3);
}
.btn-accent:hover { background: rgba(167,139,250,0.25); }
.btn-full { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }
.btn-danger-sm {
  background: transparent; color: var(--danger); border: 1px solid rgba(248,113,113,0.3);
  padding: 5px 10px; border-radius: 6px; cursor: pointer; font-size: 0.82rem;
}
.btn-danger-sm:hover { background: rgba(248,113,113,0.12); }

/* Page header */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px;
}
.page-header h1 { font-size: 1.6rem; font-weight: 600; }

/* Project cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s;
}
.project-card:hover { border-color: var(--accent); }
.project-card-icon { font-size: 2rem; }
.project-card-body h2 { font-size: 1.1rem; font-weight: 600; }
.project-desc { color: var(--text2); font-size: 0.88rem; margin-top: 4px; }
.project-meta { color: var(--text2); font-size: 0.82rem; margin-top: 4px; }
.project-card-actions {
  display: flex; gap: 8px; align-items: center; margin-top: auto;
}

/* Empty state */
.empty-state {
  text-align: center; padding: 80px 20px; color: var(--text2);
}
.empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state p { margin-bottom: 20px; }

/* Forms */
.form-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 760px;
}
.form-section { margin-bottom: 28px; }
.form-section h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; color: var(--text2); font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; }
.form-actions { display: flex; gap: 12px; margin-top: 8px; }
.photo-preview { margin-bottom: 12px; }
.photo-preview img { width: 100px; height: 100px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.photo-hint { font-size: 0.8rem; color: var(--text2); margin-top: 6px; }

/* Login page */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}
.login-icon { font-size: 2.5rem; text-align: center; margin-bottom: 8px; }
.login-card h1 { text-align: center; font-size: 1.5rem; margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--text2); font-size: 0.88rem; margin-bottom: 28px; }
.login-card .form-group { margin-bottom: 16px; }
.login-card .btn { margin-top: 8px; }

/* Project view header */
.project-header { margin-bottom: 20px; }
.project-title-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.project-title-row h1 { font-size: 1.5rem; font-weight: 600; }
.project-actions { display: flex; gap: 10px; }

/* Persons list */
.persons-section { margin-top: 36px; }
.persons-section h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 14px; }
.persons-list { display: flex; flex-direction: column; gap: 8px; }
.person-row {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: border-color 0.15s;
}
.person-row:hover { border-color: var(--border); }
.person-row-info { display: flex; align-items: center; gap: 12px; }
.person-thumb {
  width: 40px; height: 40px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--border);
}
.person-thumb-placeholder {
  width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.person-thumb-placeholder.male   { background: rgba(108,139,255,0.15); }
.person-thumb-placeholder.male::after { content: '♂'; color: var(--accent); }
.person-thumb-placeholder.female { background: rgba(244,114,182,0.15); }
.person-thumb-placeholder.female::after { content: '♀'; color: #f472b6; }
.person-thumb-placeholder.other,
.person-thumb-placeholder.unknown { background: var(--bg3); }
.person-thumb-placeholder.other::after,
.person-thumb-placeholder.unknown::after { content: '?'; color: var(--text2); }
.person-dates { display: block; font-size: 0.8rem; color: var(--text2); margin-top: 2px; }
.person-row-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-box {
  position: relative; z-index: 1;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
  width: 100%; max-width: 420px;
  box-shadow: var(--shadow);
}
.modal-box h3 { font-size: 1.1rem; margin-bottom: 20px; }
.modal-box .form-group { margin-bottom: 14px; }

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .project-title-row { flex-direction: column; align-items: flex-start; }
  .person-row { flex-direction: column; align-items: flex-start; }
}