:root {
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --accent: #5b8dee;
  --accent-2: #a78bfa;
  --accent-glow: rgba(91,141,238,0.2);
  --bg: #080c14;
  --bg-2: #0d1321;
  --surface: #111827;
  --surface-2: #1a2540;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.15);
  --text: #e8ecf4;
  --text-muted: #7d8fa8;
  --text-dim: #4a5568;
  --radius: 12px;
  --transition: 0.25s ease;
  --danger: #ef4444;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select {
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font-body); font-size: 0.88rem;
  padding: 9px 12px; border-radius: 8px; outline: none; width: 100%;
  transition: border-color var(--transition);
}
input:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }
label { display: flex; flex-direction: column; gap: 5px; font-size: 0.78rem; color: var(--text-muted); }

/* ---- Login ---- */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at top, #0d1321 0%, #080c14 70%);
}
.login-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 44px 36px; width: 100%; max-width: 420px;
  text-align: center;
}
.login-logo {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; color: transparent;
  margin-bottom: 16px;
}
.login-card h1 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 6px; }
.login-card > p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 28px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login-card label {
  position: relative; flex-direction: row; align-items: center;
  gap: 0; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
}
.login-card label i { padding: 0 12px; color: var(--text-dim); font-size: 0.8rem; }
.login-card label input {
  flex: 1; border: none; background: transparent; padding: 10px 12px 10px 0;
}
.login-card label:focus-within { border-color: var(--accent); }
.login-error { color: var(--danger); font-size: 0.78rem; min-height: 18px; }
.btn-login {
  padding: 11px; border-radius: 999px; border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 500; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-login:hover { opacity: 0.88; transform: translateY(-1px); }
.login-hint { font-size: 0.73rem; color: var(--text-dim); margin-top: 4px; }
.login-hint code { background: var(--bg-2); padding: 1px 5px; border-radius: 4px; color: var(--text-muted); }

/* ---- Admin shell ---- */
.admin-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 24px 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-logo {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 800;
  padding: 0 20px 24px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; color: transparent;
}
.sidebar-logo span { font-size: 0.65rem; color: var(--text-dim); font-family: var(--font-body); }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; padding: 0 10px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 9px;
  font-size: 0.85rem; color: var(--text-muted);
  transition: all var(--transition);
}
.nav-item i { width: 16px; font-size: 0.78rem; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(91,141,238,0.2); }
.sidebar-footer { padding: 16px 10px 0; display: flex; flex-direction: column; gap: 8px; }
.btn-view-site, .btn-logout {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 9px; font-size: 0.82rem;
  border: 1px solid var(--border); transition: all var(--transition);
}
.btn-view-site { color: var(--text-muted); background: none; }
.btn-view-site:hover { border-color: var(--accent); color: var(--accent); }
.btn-logout { color: var(--danger); background: none; border-color: rgba(239,68,68,0.2); }
.btn-logout:hover { background: rgba(239,68,68,0.1); }

/* Main */
.admin-main { flex: 1; padding: 28px 36px; min-width: 0; }
.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.admin-topbar h2 { font-family: var(--font-display); font-size: 1.4rem; }
.admin-topbar p { font-size: 0.8rem; color: var(--text-muted); margin-top: 3px; }
.btn-save {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 20px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 0.85rem; font-weight: 500; border: none;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-save:hover { opacity: 0.88; transform: translateY(-1px); }

/* Tabs */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group.full { grid-column: 1/-1; }
.field-group > label { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-body); }

/* Lists */
.list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.list-header h3 { font-family: var(--font-display); font-size: 1rem; }
.btn-add {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2);
  font-size: 0.8rem; color: var(--text-muted);
  transition: all var(--transition);
}
.btn-add:hover { border-color: var(--accent); color: var(--accent); }
.items-list { display: flex; flex-direction: column; gap: 12px; }
.item-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  transition: border-color var(--transition);
}
.item-card:hover { border-color: var(--border-hover); }
.item-card-body { flex: 1; min-width: 0; }
.item-card-title { font-weight: 600; font-size: 0.93rem; margin-bottom: 4px; }
.item-card-meta { font-size: 0.78rem; color: var(--text-muted); }
.item-card-actions { display: flex; gap: 8px; flex-shrink: 0; }
.btn-icon {
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted); font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.btn-icon.danger:hover { border-color: var(--danger); color: var(--danger); }

/* Photo upload */
.photo-upload-area { display: flex; gap: 16px; align-items: flex-start; }
.photo-preview {
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: var(--text-dim); overflow: hidden; flex-shrink: 0;
}
.photo-preview img { width: 100%; height: 100%; object-fit: cover; }
.photo-upload-area > div { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.upload-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2);
  font-size: 0.78rem; color: var(--text-muted); cursor: pointer;
  transition: all var(--transition); width: fit-content;
}
.upload-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(8,12,20,0.85);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; width: 100%; max-width: 600px; max-height: 90vh;
  overflow-y: auto; transform: translateY(16px); transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-family: var(--font-display); font-size: 1rem; }
.modal-close {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted); font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { border-color: var(--danger); color: var(--danger); }
.modal-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px; border-top: 1px solid var(--border);
}
.btn-cancel {
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--border); background: none;
  color: var(--text-muted); font-size: 0.85rem;
  transition: all var(--transition);
}
.btn-cancel:hover { border-color: var(--border-hover); color: var(--text); }

/* Toast */
.toast {
  position: fixed; bottom: 28px; right: 24px; z-index: 2000;
  padding: 12px 20px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 0.85rem; font-weight: 500;
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
  .sidebar { display: none; }
  .admin-main { padding: 20px 16px; }
  .form-grid { grid-template-columns: 1fr; }
}