/* ── Admin Panel Styles ──────────────────────────────────────────────────── */

:root {
  --admin-sidebar-w: 220px;
  --admin-bg: #f4f4f5;
  --admin-surface: #ffffff;
  --admin-border: #e4e4e7;
  --admin-text: #18181b;
  --admin-muted: #71717a;
  --admin-accent: #C4962A;
  --admin-accent-hover: #b3851f;
  --admin-danger: #ef4444;
  --admin-danger-hover: #dc2626;
  --admin-success: #22c55e;
}

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

body.admin-body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  font-size: 14px;
  line-height: 1.5;
}

/* ── Login Overlay ──────────────────────────────────────────────────────── */

.login-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #18181b;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.login-overlay.visible {
  display: flex;
}

.login-card {
  background: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 16px;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: #fafafa;
  margin-bottom: 6px;
}

.login-sub {
  font-size: 13px;
  color: #a1a1aa;
  margin-bottom: 28px;
}

.login-form { text-align: left; }

.login-field {
  margin-bottom: 16px;
}

.login-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #a1a1aa;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-field input {
  width: 100%;
  padding: 10px 14px;
  background: #3f3f46;
  border: 1px solid #52525b;
  border-radius: 8px;
  color: #fafafa;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

.login-field input:focus {
  border-color: var(--admin-accent);
}

.login-error {
  background: #450a0a;
  color: #fca5a5;
  border: 1px solid #7f1d1d;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--admin-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.login-btn:hover { background: var(--admin-accent-hover); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Admin Shell ────────────────────────────────────────────────────────── */

#admin-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */

.admin-sidebar {
  width: var(--admin-sidebar-w);
  min-width: var(--admin-sidebar-w);
  background: #18181b;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid #3f3f46;
}

.admin-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.admin-brand span {
  font-size: 15px;
  font-weight: 700;
  color: var(--admin-accent);
  letter-spacing: -0.01em;
}

.admin-nav {
  padding: 12px 10px;
  flex: 1;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  background: none;
  border: none;
  border-radius: 8px;
  color: #a1a1aa;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, color 0.12s;
  margin-bottom: 2px;
}

.admin-nav-link:hover {
  background: #27272a;
  color: #fafafa;
}

.admin-nav-link.active {
  background: #27272a;
  color: var(--admin-accent);
}

.admin-nav-link svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.admin-nav-link.active svg { opacity: 1; }

.admin-sidebar-footer {
  padding: 16px;
  border-top: 1px solid #3f3f46;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-back-link {
  font-size: 13px;
  color: #71717a;
  text-decoration: none;
  transition: color 0.12s;
}

.admin-back-link:hover { color: #a1a1aa; }

.admin-signout-btn {
  background: none;
  border: 1px solid #3f3f46;
  border-radius: 6px;
  padding: 7px 12px;
  color: #a1a1aa;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.admin-signout-btn:hover {
  background: #3f3f46;
  color: #fafafa;
}

/* ── Main Area ──────────────────────────────────────────────────────────── */

.admin-main {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  background: var(--admin-bg);
}

/* ── Tabs ───────────────────────────────────────────────────────────────── */

.admin-tab {
  display: none;
}

.admin-tab.active {
  display: block;
}

/* ── Tab Header ─────────────────────────────────────────────────────────── */

.admin-tab-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.admin-tab-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--admin-text);
  letter-spacing: -0.02em;
}

.admin-tab-header p {
  font-size: 13px;
  color: var(--admin-muted);
  margin-top: 4px;
}

/* ── Cards ──────────────────────────────────────────────────────────────── */

.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

.admin-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: var(--admin-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.admin-btn-primary:hover { background: var(--admin-accent-hover); }
.admin-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.admin-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  color: var(--admin-text);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s;
}

.admin-btn-secondary:hover { background: var(--admin-bg); }

.admin-btn-danger {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: transparent;
  color: var(--admin-danger);
  border: 1px solid #fecaca;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s;
}

.admin-btn-danger:hover { background: #fef2f2; }

.admin-btn-edit {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: transparent;
  color: var(--admin-muted);
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.admin-btn-edit:hover { background: var(--admin-bg); color: var(--admin-text); }

/* ── Table ──────────────────────────────────────────────────────────────── */

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 12px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--admin-muted);
  border-bottom: 1px solid var(--admin-border);
  background: #fafafa;
}

.admin-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--admin-border);
  font-size: 13px;
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover td {
  background: #fafafa;
}

.admin-table .actions-cell {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ── Position Badge ─────────────────────────────────────────────────────── */

.position-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

/* ── Filters ────────────────────────────────────────────────────────────── */

.admin-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.admin-filters .form-group {
  flex: 1;
  min-width: 160px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: var(--admin-surface);
  color: var(--admin-text);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.form-select:focus { border-color: var(--admin-accent); }

.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: var(--admin-surface);
  color: var(--admin-text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus { border-color: var(--admin-accent); }

.admin-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  background: var(--admin-surface);
  color: var(--admin-text);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
}

.admin-textarea:focus { border-color: var(--admin-accent); }

/* ── Assignment Task List ────────────────────────────────────────────────── */

.assign-tasks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 20px;
}

.assign-task-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.assign-task-row input[type="text"] {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.assign-task-row input[type="text"]:focus { border-color: var(--admin-accent); }

.assign-task-remove {
  background: none;
  border: none;
  color: var(--admin-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 16px;
  line-height: 1;
  transition: color 0.12s, background 0.12s;
}

.assign-task-remove:hover { color: var(--admin-danger); background: #fef2f2; }

/* ── Assign editor padded sections ─────────────────────────────────────── */

#assign-editor .form-group {
  padding: 0 20px 16px;
}

#assign-editor .admin-card-header {
  padding: 16px 20px;
}

/* ── Progress Grid ──────────────────────────────────────────────────────── */

.progress-table-wrap {
  overflow-x: auto;
}

.progress-table {
  border-collapse: collapse;
  min-width: 100%;
  font-size: 12px;
}

.progress-table th {
  padding: 10px 12px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.progress-table th.name-col {
  text-align: left;
  min-width: 160px;
}

.progress-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid #f4f4f5;
  vertical-align: middle;
}

.progress-table td.name-col {
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
}

.progress-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 24px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.progress-cell-none { background: #f4f4f5; color: #a1a1aa; }
.progress-cell-partial { background: #fef9c3; color: #854d0e; }
.progress-cell-done { background: #dcfce7; color: #166534; }
.progress-cell-locked { background: transparent; color: #d4d4d8; }

/* ── Modal ──────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-card {
  background: var(--admin-surface);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
  margin-bottom: 20px;
}

.modal-header h2 {
  font-size: 17px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--admin-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

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

.modal-body {
  padding: 0 24px 24px;
}

.modal-field {
  margin-bottom: 16px;
}

.modal-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.modal-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--admin-border);
}

/* ── Resource type badge ────────────────────────────────────────────────── */

.resource-type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-video   { background: #fee2e2; color: #991b1b; }
.badge-pdf     { background: #fef9c3; color: #854d0e; }
.badge-article { background: #dbeafe; color: #1e40af; }
.badge-link    { background: #f3e8ff; color: #6b21a8; }

/* ── Utility ────────────────────────────────────────────────────────────── */

.text-muted { color: var(--admin-muted); }

.admin-empty {
  text-align: center;
  padding: 40px 24px;
  color: var(--admin-muted);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */

/* ── Mobile back header (hidden on desktop) ─────────────────────────────── */
.mobile-panel-back {
  display: none;
}

/* ── Mobile back button style ───────────────────────────────────────────── */
.mobile-panel-back-btn {
  background: none;
  border: 1px solid #3f3f46;
  border-radius: 8px;
  padding: 6px 12px;
  color: #a1a1aa;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.12s, color 0.12s;
}

.mobile-panel-back-btn:hover {
  background: #3f3f46;
  color: #fafafa;
}

.mobile-panel-back-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--admin-text);
}

@media (max-width: 640px) {
  /* Stack sidebar on top, main below — JS controls show/hide */
  #admin-shell,
  #coach-shell {
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
  }

  .admin-sidebar {
    width: 100%;
    min-width: unset;
    height: 100%;
    flex-shrink: 0;
    overflow-y: auto;
  }

  .admin-main {
    flex: 1;
    padding: 0 16px 32px;
    overflow-y: auto;
    display: none; /* hidden until a tab is selected — JS shows it */
  }

  /* When tab-open: sidebar is hidden by JS, main shown by JS */

  /* Mobile back header shown on mobile */
  .mobile-panel-back {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 0 20px;
    border-bottom: 1px solid #3f3f46;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background: var(--admin-bg);
    z-index: 5;
  }

  .admin-filters {
    flex-direction: column;
  }
}