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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242734;
  --border: #2e3142;
  --text: #e4e6f0;
  --text-dim: #8b8fa3;
  --accent: #f97316;
  --accent-hover: #fb923c;
  --danger: #ef4444;
  --danger-hover: #f87171;
  --success: #22c55e;
  --warn: #eab308;
  --radius: 10px;
}

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

.screen { min-height: 100vh; }

/* ---- Login ---- */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f1117 0%, #1a1025 100%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 380px;
  text-align: center;
}

.login-logo {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 4px;
}

.login-subtitle {
  color: var(--text-dim);
  margin-bottom: 32px;
  font-size: 14px;
}

#login-form input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

#login-form input:focus {
  border-color: var(--accent);
}

#login-form button {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 4px;
}

#login-form button:hover { background: var(--accent-hover); }
#login-form button:disabled { opacity: 0.6; cursor: wait; }

.error {
  color: var(--danger);
  margin-top: 12px;
  font-size: 13px;
}

/* ---- App Layout ---- */
#app {
  display: flex;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
#sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  flex-shrink: 0;
}

.sidebar-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 3px;
  padding: 0 12px 24px;
}

.sidebar-brand span {
  font-weight: 400;
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0;
  margin-left: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--surface2); color: var(--accent); }

.sidebar-spacer { flex: 1; }

.nav-logout { color: var(--danger); }
.nav-logout:hover { background: rgba(239,68,68,0.1); }

/* ---- Content ---- */
#content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  max-height: 100vh;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

/* ---- Stats ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card.warn { border-color: var(--warn); }

.stat-value {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-card.warn .stat-value { color: var(--warn); }

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar input,
.toolbar select {
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.toolbar input { flex: 1; min-width: 200px; }
.toolbar input:focus,
.toolbar select:focus { border-color: var(--accent); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

tbody tr:hover { background: var(--surface2); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-active { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-banned { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-pending { background: rgba(234,179,8,0.15); color: var(--warn); }
.badge-resolved { background: rgba(34,197,94,0.15); color: var(--success); }

/* ---- Buttons ---- */
.btn {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-sm { padding: 4px 10px; font-size: 12px; }

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

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.85; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--surface2); }

.btn-group { display: flex; gap: 6px; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-dim);
}

.pagination button {
  padding: 6px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination button:not(:disabled):hover { border-color: var(--accent); }

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 560px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.detail-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface2);
}

.detail-name { font-size: 20px; font-weight: 700; }
.detail-email { color: var(--text-dim); font-size: 13px; }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.detail-item label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.detail-item span {
  font-size: 15px;
  font-weight: 500;
}

.detail-actions {
  display: flex;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  #sidebar {
    width: 60px;
    padding: 16px 8px;
  }
  .sidebar-brand, .nav-item span { display: none; }
  .nav-item { justify-content: center; padding: 10px; }
  #content { padding: 20px 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}

/* ---- Loading Spinner ---- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* clickable row */
.clickable { cursor: pointer; }

/* ---- Create User Form ---- */
.modal-wide { width: 640px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input[type="file"] {
  padding: 8px;
  cursor: pointer;
}

.photo-preview {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.photo-thumb {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-thumb .remove-photo {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-thumb .remove-photo:hover { background: var(--danger); }

/* ---- Match Section (User Detail) ---- */
.match-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.section-title {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}

.likes-list {
  max-height: 160px;
  overflow-y: auto;
  margin-bottom: 8px;
}

.like-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 4px;
}

.like-row:hover { background: var(--surface2); }

@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .modal-wide { width: 95vw; }
}