/* DC Pole Admin Dashboard - Dark Mode, B&A Design System */
:root {
  --bg: #0A0A0A;
  --surface: #141414;
  --surface-light: #1E1E1E;
  --text: #FFFFFF;
  --text-dim: #A0A0A0;
  --text-muted: #666;
  --accent: #FF6600;
  --accent-hover: #E55A00;
  --accent-soft: rgba(255,102,0,0.12);
  --border: #2A2A2A;
  --green: #2f8e69;
  --red: #bc5f63;
  --star: #FFA500;
  --font-display: 'Roboto Slab', Georgia, serif;
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--font-body); background:var(--bg); color:var(--text); font-size:14px; overflow-x:hidden; }
h1,h2,h3 { font-family:var(--font-display); font-weight:700; }
a { color:var(--accent); text-decoration:none; }
img { display:block; }

/* ===== LOGIN ===== */
.login-screen {
  position:fixed; inset:0; display:flex; align-items:center; justify-content:center;
  background:var(--bg); z-index:999;
}
.login-box {
  text-align:center; padding:2.5rem 2rem; background:var(--surface);
  border:1px solid var(--border); border-radius:0; max-width:360px; width:90%;
}
.login-box img { margin:0 auto 1rem; }
.login-box h1 { font-size:1.4rem; margin-bottom:0.3rem; }
.login-box p { font-size:0.88rem; }
.login-input {
  width:100%; padding:0.7rem 1rem; background:var(--bg);
  border:1px solid var(--border); color:var(--text); font-size:0.95rem;
  margin-bottom:1rem; border-radius:0;
}
.login-input:focus { outline:none; border-color:var(--accent); }
.login-error { color:var(--red); font-size:0.85rem; margin-top:0.5rem; min-height:1.2rem; }

/* ===== BUTTONS ===== */
.btn {
  display:inline-block; padding:0.55rem 1.2rem; font-size:0.88rem; font-weight:500;
  border:none; border-radius:0; cursor:pointer; transition:all 0.2s; text-decoration:none;
  font-family:var(--font-body);
}
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-hover); }
.btn-secondary { background:transparent; color:var(--text); border:1px solid var(--border); }
.btn-secondary:hover { border-color:var(--accent); }
.btn-sm { padding:0.35rem 0.8rem; font-size:0.8rem; }
.btn-green { background:var(--green); color:#fff; }
.btn-green:hover { opacity:0.85; }
.btn-danger { background:transparent; color:var(--red); border:1px solid var(--red); }
.btn-danger:hover { background:var(--red); color:#fff; }

/* ===== ROW ACTIONS ===== */
.row-actions { display:flex; gap:0.4rem; white-space:nowrap; }

/* ===== LAYOUT ===== */
.sidebar {
  position:fixed; left:0; top:0; bottom:0; width:220px; background:#060606;
  border-right:1px solid var(--border); display:flex; flex-direction:column; z-index:100;
}
.sidebar-logo {
  padding:1.2rem 1.5rem; font-family:var(--font-display); font-weight:700;
  font-size:1.1rem; display:flex; align-items:center; gap:0.5rem;
}
.sidebar-logo span { color:var(--accent); }
.sidebar-nav { flex:1; padding-top:1rem; }
.nav-item {
  display:flex; align-items:center; gap:0.7rem; padding:0.65rem 1.5rem;
  color:#888; font-size:0.88rem; text-decoration:none;
  transition:all 0.2s; cursor:pointer;
}
.nav-item:hover { color:var(--text); background:var(--surface); }
.nav-item.active { color:var(--accent); background:var(--accent-soft); border-left:3px solid var(--accent); }
.sidebar-footer { padding:1rem 1.5rem; border-top:1px solid var(--border); }

.main-content { margin-left:220px; padding:1.5rem 2rem; min-height:100vh; }
.page-title { font-size:1.5rem; margin-bottom:1.2rem; }
.page-header-row { display:flex; justify-content:space-between; align-items:center; margin-bottom:1.2rem; }

/* ===== VIEWS ===== */
.view { display:none; }
.view.active { display:block; }

/* ===== STATS GRID ===== */
.stats-grid {
  display:grid; grid-template-columns:repeat(5,1fr);
  gap:0.75rem; margin-bottom:1.5rem;
}
.stat-card {
  background:var(--surface); padding:1rem 1.2rem; border:1px solid var(--border); border-radius:0;
  display:flex; flex-direction:column; gap:0.3rem;
}
.stat-card .stat-label { font-size:0.72rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:0.08em; }
.stat-card .stat-value { font-family:var(--font-display); font-size:1.5rem; font-weight:700; line-height:1.2; }
.stat-card .stat-value.accent { color:var(--accent); }
.stat-card .stat-value.green { color:var(--green); }
.stat-card .stat-value.red { color:var(--red); }

/* ===== DASH ROW ===== */
.dash-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.dash-card { background:var(--surface); padding:1.2rem; border:1px solid var(--border); }
.dash-card h3 { font-size:0.95rem; margin-bottom:0.8rem; color:var(--text); }
.dash-card .empty-state { color:var(--text-muted); font-size:0.85rem; padding:0.8rem 0; }

/* ===== SESSION LIST ===== */
.session-item {
  display:flex; align-items:center; gap:0.8rem; padding:0.55rem 0;
  border-bottom:1px solid var(--border); font-size:0.85rem;
}
.session-item:last-child { border-bottom:none; }
.session-date {
  min-width:85px; font-family:var(--font-body); font-weight:500;
  color:var(--text); font-size:0.82rem;
}
.session-time { min-width:50px; color:var(--text-dim); font-size:0.8rem; }
.session-course { flex:1; color:var(--text); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.session-cap { color:var(--text-dim); font-size:0.8rem; white-space:nowrap; }
.session-cap.full { color:var(--red); }
.session-booked { min-width:50px; text-align:right; }

/* ===== DATA TABLE ===== */
.data-table-wrap { overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; table-layout:fixed; }
.data-table th {
  text-align:left; padding:0.6rem 0.8rem; font-size:0.78rem; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--text-dim); border-bottom:1px solid var(--border); font-weight:500;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.data-table th.sortable {
  cursor:pointer; user-select:none; transition:color 0.2s;
}
.data-table th.sortable:hover { color:var(--accent); }
.data-table td {
  padding:0.6rem 0.8rem; font-size:0.88rem; border-bottom:1px solid var(--border);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.data-table tr { cursor: pointer; }
.data-table tr:hover { background:var(--surface); }
.data-table .col-name { width:18%; }
.data-table .col-email { width:20%; }
.data-table .col-phone { width:14%; }
.data-table .col-rabatt { width:10%; }
.data-table .col-num { width:8%; }
.data-table .col-status { width:8%; }
.data-table .col-date { width:10%; }
.data-table .col-price { width:9%; }
.data-table .col-action { width:16%; }
.data-table .col-course { width:15%; }
.data-table .col-abo { width:14%; }
.data-table .col-type { width:7%; }
.data-table .badge {
  display:inline-block; padding:0.15rem 0.5rem; font-size:0.75rem; border-radius:0; font-weight:500;
}
.badge-active { background:rgba(47,142,105,0.2); color:var(--green); }
.badge-inactive { background:rgba(102,102,102,0.2); color:var(--text-dim); }
.badge-open { background:rgba(255,102,0,0.15); color:var(--accent); }
.badge-paid { background:rgba(47,142,105,0.2); color:var(--green); }
.badge-cancelled { background:rgba(188,95,99,0.15); color:var(--red); }
.badge-booked { background:rgba(47,142,105,0.15); color:var(--green); }

/* ===== FILTER TABS ===== */
.filter-tabs {
  display:flex; gap:0; margin-bottom:1rem; border-bottom:1px solid var(--border);
}
.filter-tab {
  padding:0.55rem 1rem; background:none; border:none; color:var(--text-dim);
  font-size:0.82rem; cursor:pointer; border-bottom:2px solid transparent;
  transition:all 0.2s; display:flex; align-items:center; gap:0.4rem;
}
.filter-tab:hover { color:var(--text); }
.filter-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.filter-count {
  font-size:0.7rem; background:var(--surface-light); padding:0.1rem 0.4rem;
  border-radius:0; color:var(--text-dim);
}
.filter-tab.active .filter-count { background:var(--accent-soft); color:var(--accent); }

/* ===== VIEW TOGGLE ===== */
.view-toggle {
  display:inline-flex; border:1px solid var(--border); border-radius:0;
}
.view-toggle-btn {
  padding:0.35rem 0.8rem; background:none; border:none; color:var(--text-dim);
  font-size:0.8rem; cursor:pointer; transition:all 0.2s;
}
.view-toggle-btn.active { background:var(--accent); color:#fff; }
.view-toggle-btn:hover:not(.active) { color:var(--text); background:var(--surface); }

/* ===== COLUMN MENU ===== */
.col-menu {
  position:fixed; background:var(--surface-light); border:1px solid var(--border);
  z-index:1000; min-width:200px; box-shadow:0 8px 24px rgba(0,0,0,0.6);
  font-size:0.82rem;
}
.col-menu-item {
  padding:0.5rem 0.9rem; cursor:pointer; display:flex; align-items:center; gap:0.5rem;
  color:var(--text-dim); transition:all 0.15s;
}
.col-menu-item:hover { background:var(--surface); color:var(--text); }
.col-menu-item.active { color:var(--accent); }
.col-menu-divider { height:1px; background:var(--border); margin:0.3rem 0; }
.col-menu-label {
  padding:0.4rem 0.9rem; font-size:0.7rem; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--text-muted);
}
.col-menu-check { width:12px; display:inline-block; text-align:center; }

/* ===== FILTER BAR ===== */
.filter-bar { margin-bottom:1rem; }
.filter-input {
  width:100%; max-width:280px; padding:0.5rem 0.7rem; background:var(--surface);
  border:1px solid var(--border); color:var(--text); font-size:0.88rem; border-radius:0;
}
.filter-input:focus { outline:none; border-color:var(--accent); }

/* ===== SETTINGS ===== */
.settings-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:1rem; max-width:700px;
}
.setting-item { display:flex; flex-direction:column; gap:0.3rem; }
.setting-item label { font-size:0.82rem; color:var(--text-dim); }
.setting-item input, .setting-item select {
  padding:0.5rem 0.7rem; background:var(--surface); border:1px solid var(--border);
  color:var(--text); font-size:0.88rem; border-radius:0;
}
.setting-item input:focus { outline:none; border-color:var(--accent); }

/* ===== MODAL ===== */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,0.7); display:flex;
  align-items:center; justify-content:center; z-index:1000;
}
.modal {
  background:var(--surface); border:1px solid var(--border); padding:2rem;
  max-width:450px; width:90%;
}
.modal h2 { font-size:1.3rem; margin-bottom:1.2rem; }
.modal label { display:block; font-size:0.82rem; color:var(--text-dim); margin-bottom:0.3rem; margin-top:0.8rem; }
.form-input, .modal select, .modal input {
  width:100%; padding:0.5rem 0.7rem; background:var(--bg); border:1px solid var(--border);
  color:var(--text); font-size:0.88rem; border-radius:0;
}
.form-input:focus, .modal select:focus, .modal input:focus { outline:none; border-color:var(--accent); }
.modal-actions { display:flex; gap:0.7rem; margin-top:1.5rem; justify-content:flex-end; }
.sell-price-info {
  margin-top:0.5rem; padding:0.7rem; background:var(--bg); border-left:3px solid var(--accent);
  font-size:0.88rem; color:var(--text-dim);
}
.sell-price-info strong { color:var(--text); }

/* ===== INVOICE ROW ===== */
.invoice-amount { font-family:var(--font-display); font-weight:700; }
.invoice-amount.paid { color:var(--green); }
.invoice-amount.open { color:var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width:968px) {
  .dash-row { grid-template-columns:1fr; }
  .settings-grid { grid-template-columns:1fr; }
}
@media (max-width:640px) {
  .sidebar { width:60px; }
  .sidebar-logo { font-size:0; padding:1rem; }
  .sidebar-logo img { margin:0 auto; }
  .nav-item { padding:0.7rem; justify-content:center; }
  .nav-item span { display:none; }
  .sidebar-footer { padding:0.7rem; }
  .main-content { margin-left:60px; padding:1rem; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .page-title { font-size:1.3rem; }
}