/* ============================================================
   XPROBOT Admin Panel Styles
   ============================================================ */

/* Admin Gate */
.admin-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 62px);
  padding: 24px;
  background: var(--bg);
}

.gate-card {
  background: var(--white);
  border-radius: 20px;
  padding: 48px 40px;
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  text-align: center;
}

.gate-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  margin: 0 auto 20px;
}

.gate-card h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.gate-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.gate-card .form-group { text-align: left; }

.gate-hint {
  margin-top: 20px !important;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.gate-hint code {
  background: var(--neutral-light);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: monospace;
  color: var(--primary);
}

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-layout {
  display: flex;
  min-height: calc(100vh - 62px);
}

.admin-sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 62px;
  height: calc(100vh - 62px);
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 18px 16px;
  color: rgba(255,255,255,0.55);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: rgba(255,255,255,0.65);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-btn i { width: 18px; text-align: center; }

.sidebar-btn:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.sidebar-btn.active {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26,86,219,0.35);
}

.sidebar-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  min-width: 20px;
  text-align: center;
}

.sidebar-badge.new-badge { background: var(--success); }

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.logout-btn {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6);
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.logout-btn:hover { color: #fff; background: rgba(239,68,68,0.2); border-color: rgba(239,68,68,0.3); }

/* ============================================================
   ADMIN MAIN
   ============================================================ */
.admin-main {
  flex: 1;
  padding: 32px 36px;
  background: var(--bg);
  overflow-y: auto;
}

.admin-tab { display: none; }
.admin-tab.active { display: block; }

.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.tab-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tab-header h1 i { color: var(--primary); }

.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.btn-refresh:hover { border-color: var(--primary); color: var(--primary); }

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--success);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.stat-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
}

.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Filter Row */
.filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}

.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  border-color: transparent;
  color: #fff;
}

/* Admin Q&A Cards */
.admin-qa-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--border);
}

.admin-qa-card.pending { border-left-color: var(--warning); }
.admin-qa-card.answered { border-left-color: var(--success); }

.admin-qa-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.admin-qa-info strong { display: block; font-size: 0.9rem; color: var(--dark); }
.admin-qa-info time { font-size: 0.76rem; color: var(--text-muted); }

.admin-qa-question {
  font-size: 0.95rem;
  color: var(--text);
  padding: 10px 14px;
  background: var(--neutral-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--info);
  margin-bottom: 14px;
  font-style: italic;
}

.admin-qa-answer-preview {
  background: var(--success-light);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 12px;
}

.admin-qa-answer-preview strong {
  display: block;
  color: #065f46;
  font-size: 0.78rem;
  margin-bottom: 4px;
}

.btn-answer {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-answer:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-reanswer {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--white);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 7px 16px;
  font-family: var(--font);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-reanswer:hover { background: var(--primary-light); }

/* Admin Comment Cards */
.admin-comment-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 14px;
}

.admin-comment-body { flex: 1; }
.admin-comment-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.admin-comment-meta strong { font-size: 0.88rem; color: var(--dark); }
.admin-comment-meta time { font-size: 0.75rem; color: var(--text-muted); }
.admin-comment-text { font-size: 0.9rem; color: var(--text); margin-bottom: 10px; }
.admin-comment-votes {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.admin-comment-votes span { display: flex; align-items: center; gap: 5px; }
.admin-comment-votes .up { color: var(--success); }
.admin-comment-votes .down { color: var(--danger); }

.btn-delete {
  background: none;
  border: 1.5px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
  align-self: flex-start;
  transition: var(--transition);
}

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

/* Admin Replies inside comment card */
.admin-replies-list {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  padding-left: 50px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-replies-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.admin-reply-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--neutral-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.admin-reply-body { flex: 1; }

/* Admin Live Chat */
.admin-chat-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  min-height: 400px;
}

.admin-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-chat-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}

.admin-chat-input-bar input {
  flex: 1;
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-family: var(--font);
  font-size: 0.9rem;
  transition: var(--transition);
}

.admin-chat-input-bar input:focus {
  outline: none;
  border-color: var(--primary);
}

/* Chat messages */
.admin-chat-msg {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.5;
  word-break: break-word;
}

.admin-chat-msg.msg-admin {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.admin-chat-msg.msg-user {
  background: var(--neutral-light);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--border);
}

.msg-sender-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.msg-time {
  font-size: 0.7rem;
  opacity: 0.65;
  margin-top: 4px;
  text-align: right;
}

.msg-admin .msg-time { color: rgba(255,255,255,0.7); }
.msg-user .msg-time { text-align: left; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-overlay.open { display: flex; }

.modal-card {
  background: var(--white);
  border-radius: 18px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.25);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--neutral-light);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-header h3 i { color: var(--primary); }

.modal-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.modal-close:hover { background: var(--border); color: var(--dark); }

.modal-body { padding: 22px 24px; }

.qa-question-preview {
  background: var(--neutral-light);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 18px;
  border-left: 3px solid var(--info);
  font-style: italic;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--neutral-light);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--white);
  color: var(--text);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

/* Responsive Admin */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    width: 100%;
    height: auto;
    position: relative;
    top: 0;
  }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; padding: 8px; }
  .sidebar-btn { flex: 1; min-width: 120px; justify-content: center; }
  .admin-main { padding: 20px 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-chat-wrap { height: 480px; }
}