/* ═══════════════════════════════════════════════════
   AI MAKERS – Dashboard Stylesheet
═══════════════════════════════════════════════════ */
:root {
  --primary:      #00d4ff;
  --accent:       #7c3aed;
  --accent-light: #a855f7;
  --bg:           #050b18;
  --bg2:          #070f20;
  --bg-card:      rgba(8, 20, 42, 0.95);
  --bg-card2:     rgba(12, 26, 54, 0.9);
  --border:       rgba(0, 212, 255, 0.18);
  --border2:      rgba(0, 212, 255, 0.08);
  --text:         #f0f8ff;
  --text2:        #c0ddf0;
  --text3:        #7aaec8;
  --green:        #00ff88;
  --yellow:       #ffd166;
  --red:          #ff4566;
  --font:         'Noto Sans KR', sans-serif;
  --font-tech:    'Orbitron', sans-serif;
  --sidebar-w:    240px;
  --topbar-h:     64px;
  --radius:       14px;
  --radius-sm:    8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: var(--font); background: var(--bg); color: var(--text); }
button { cursor: pointer; }
a { text-decoration: none; }

/* ══════════════ LOGIN ══════════════ */
.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  overflow: hidden;
}
.login-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 40% 30%, rgba(0,212,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(124,58,237,0.1) 0%, transparent 50%),
              var(--bg);
}
.login-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.login-box {
  position: relative; z-index: 2;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 52px 48px;
  width: 420px;
  max-width: 94vw;
  box-shadow: 0 0 80px rgba(0,212,255,0.1);
  backdrop-filter: blur(20px);
  animation: fadeUp 0.5s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.login-logo {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 28px;
}
.login-logo-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff;
  box-shadow: 0 0 20px rgba(0,212,255,0.35);
}
.login-logo-title {
  font-family: var(--font-tech);
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: 2px; color: #fff;
}
.login-logo-sub { font-size: 0.8rem; color: var(--text3); margin-top: 2px; }

.login-desc {
  font-size: 0.9rem; color: var(--text2);
  margin-bottom: 24px; line-height: 1.6;
}
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-input-wrap {
  position: relative;
  display: flex; align-items: center;
}
.login-icon {
  position: absolute; left: 16px;
  color: var(--primary); font-size: 0.9rem;
}
.login-input-wrap input {
  width: 100%;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: var(--radius-sm);
  padding: 14px 16px 14px 42px;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  letter-spacing: 2px;
}
.login-input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.15);
}
.login-input-wrap.error input { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255,69,102,0.15); }
.login-error {
  display: none; font-size: 0.82rem;
  color: var(--red); gap: 6px; align-items: center;
}
.login-error.show { display: flex; }
.login-btn {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; border: none;
  border-radius: var(--radius-sm);
  padding: 14px; font-size: 1rem;
  font-weight: 700; font-family: var(--font);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(0,212,255,0.25);
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.login-btn:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(0,212,255,0.4); }

/* ══════════════ DASHBOARD LAYOUT ══════════════ */
.dashboard {
  display: flex; height: 100vh; overflow: hidden;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(5, 12, 26, 0.98);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  transition: width 0.3s ease, transform 0.3s ease;
  z-index: 100;
}
.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .sidebar-sub,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .logout-btn span { display: none; }
.sidebar.collapsed .sidebar-logo { justify-content: center; padding: 20px 0; }
.sidebar.collapsed .sidebar-logo-icon { margin: 0; }

.sidebar-logo {
  display: flex; align-items: center; gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border2);
}
.sidebar-logo-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #fff;
  box-shadow: 0 0 14px rgba(0,212,255,0.3);
}
.sidebar-title {
  font-family: var(--font-tech);
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 2px; color: #fff;
}
.sidebar-sub { font-size: 0.72rem; color: var(--text3); }

.sidebar-nav {
  flex: 1; padding: 16px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text3);
  font-size: 0.9rem; font-weight: 500;
  transition: all 0.2s;
}
.nav-item i { width: 18px; text-align: center; font-size: 0.9rem; }
.nav-item:hover { background: rgba(0,212,255,0.08); color: var(--text); }
.nav-item.active {
  background: linear-gradient(90deg, rgba(0,212,255,0.15), rgba(124,58,237,0.1));
  color: var(--primary);
  border: 1px solid rgba(0,212,255,0.2);
}
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border2);
}
.logout-btn {
  width: 100%; display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: rgba(255,69,102,0.08);
  border: 1px solid rgba(255,69,102,0.2);
  border-radius: var(--radius-sm);
  color: #ff8fa0; font-size: 0.88rem; font-family: var(--font);
  transition: all 0.2s;
}
.logout-btn:hover { background: rgba(255,69,102,0.18); color: var(--red); }

/* ── Main ── */
.dash-main {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, #060d1f 0%, var(--bg) 100%);
}

.dash-topbar {
  height: var(--topbar-h); flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  background: rgba(5,12,26,0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.sidebar-toggle {
  background: none; border: none;
  color: var(--text3); font-size: 1.1rem;
  transition: color 0.2s; padding: 6px;
}
.sidebar-toggle:hover { color: var(--primary); }
.topbar-title {
  font-size: 1rem; font-weight: 700; color: var(--text);
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-time { font-family: var(--font-tech); font-size: 0.75rem; color: var(--text3); letter-spacing: 1px; }
.refresh-btn {
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary); padding: 7px 11px; font-size: 0.85rem;
  transition: all 0.2s;
}
.refresh-btn:hover { background: rgba(0,212,255,0.18); }
.refresh-btn.spinning i { animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tab Content ── */
.tab-content { display: none; flex: 1; overflow-y: auto; padding: 24px 28px 40px; }
.tab-content.active { display: block; }
.tab-content::-webkit-scrollbar { width: 6px; }
.tab-content::-webkit-scrollbar-track { background: transparent; }
.tab-content::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.2); border-radius: 3px; }

/* ── KPI Grid ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 20px;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 18px;
  display: flex; align-items: center; gap: 16px;
  position: relative; overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.kpi-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.03), transparent);
}
.kpi-card:hover { transform: translateY(-3px); border-color: rgba(0,212,255,0.35); }
.kpi-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.c-blue   { background: rgba(0,212,255,0.15); color: var(--primary); }
.c-cyan   { background: rgba(0,255,200,0.12); color: #00ffc8; }
.c-purple { background: rgba(168,85,247,0.15); color: var(--accent-light); }
.c-green  { background: rgba(0,255,136,0.12); color: var(--green); }
.kpi-body { flex: 1; }
.kpi-label { font-size: 0.78rem; color: var(--text3); font-weight: 500; margin-bottom: 4px; }
.kpi-value { font-family: var(--font-tech); font-size: 1.9rem; font-weight: 700; color: #fff; line-height: 1; }
.kpi-badge {
  position: absolute; top: 14px; right: 16px;
  font-size: 0.72rem; color: var(--text3);
}

/* ── Charts ── */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px; margin-bottom: 20px;
}
.charts-row:nth-child(even) { grid-template-columns: 1fr 2fr; }
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.chart-card.wide { /* handled by grid */ }
.chart-card.full-width { grid-column: 1 / -1; }
.chart-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.chart-title {
  font-size: 0.88rem; font-weight: 700;
  color: var(--text); display: flex; align-items: center; gap: 8px;
}
.chart-title i { color: var(--primary); }
.chart-wrap { position: relative; }
.view-all-btn {
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--primary); font-size: 0.78rem;
  padding: 5px 14px; font-family: var(--font);
  display: flex; align-items: center; gap: 6px;
  transition: all 0.2s;
}
.view-all-btn:hover { background: rgba(0,212,255,0.16); }

/* ── Recent / Full Table ── */
.recent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.recent-table-wrap, .full-table-wrap { overflow-x: auto; margin-top: 4px; }
.data-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.86rem;
}
.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.75rem; font-weight: 700;
  color: var(--text3); letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 11px 14px;
  color: var(--text2);
  border-bottom: 1px solid var(--border2);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr {
  transition: background 0.15s;
}
.data-table tbody tr:hover { background: rgba(0,212,255,0.05); }
.data-table.full { min-width: 860px; }

.sortable { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--primary); }
.sortable i { font-size: 0.7rem; margin-left: 4px; opacity: 0.5; }
.sortable.asc i::before  { content: '\f0de'; }
.sortable.desc i::before { content: '\f0dd'; }

.grade-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 8px;
  font-weight: 700; font-size: 0.85rem;
}
.grade-badge.g1 { background: rgba(0,212,255,0.15); color: var(--primary); }
.grade-badge.g2 { background: rgba(168,85,247,0.15); color: var(--accent-light); }

.exp-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.exp-tag {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 999px;
  padding: 2px 8px; font-size: 0.72rem; color: var(--primary);
}
.exp-tag.none { color: var(--text3); background: transparent; border-color: var(--border2); }

.text-clamp {
  max-width: 180px; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis;
  color: var(--text2);
}

.detail-btn {
  background: rgba(0,212,255,0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--primary); font-size: 0.78rem;
  padding: 5px 12px; font-family: var(--font);
  transition: all 0.2s; white-space: nowrap;
}
.detail-btn:hover { background: rgba(0,212,255,0.18); }

/* ── Toolbar ── */
.table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  margin-bottom: 16px;
}
.toolbar-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }
.search-wrap {
  position: relative; display: flex; align-items: center;
}
.search-wrap i { position: absolute; left: 12px; color: var(--text3); font-size: 0.85rem; }
.search-wrap input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 14px 9px 36px;
  color: var(--text); font-family: var(--font); font-size: 0.88rem;
  outline: none; width: 220px;
  transition: border-color 0.2s;
}
.search-wrap input:focus { border-color: var(--primary); }
.search-wrap input::placeholder { color: var(--text3); }
.filter-wrap { display: flex; gap: 8px; }
.filter-wrap select {
  appearance: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 32px 9px 14px;
  color: var(--text); font-family: var(--font); font-size: 0.85rem;
  outline: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2300d4ff'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.total-badge {
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px; font-size: 0.82rem; color: var(--primary);
  white-space: nowrap;
}
.export-btn {
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.25);
  border-radius: var(--radius-sm);
  color: var(--green); padding: 8px 16px; font-size: 0.84rem;
  font-family: var(--font); display: flex; align-items: center; gap: 7px;
  transition: all 0.2s;
}
.export-btn:hover { background: rgba(0,255,136,0.18); }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 20px; flex-wrap: wrap; }
.page-btn {
  min-width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2); font-family: var(--font); font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; padding: 0 10px;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #000; border-color: var(--primary); font-weight: 700; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Empty State ── */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text3);
}
.empty-state i { font-size: 2.5rem; margin-bottom: 12px; display: block; }

/* ── Analytics Grid ── */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* ── Heatmap ── */
.heatmap-wrap { padding: 8px 4px 4px; overflow-x: auto; }
.heatmap-table { border-collapse: collapse; min-width: 100%; }
.heatmap-table th {
  padding: 6px 12px; font-size: 0.75rem;
  color: var(--text3); font-weight: 600; text-align: center;
}
.heatmap-table td {
  padding: 5px; text-align: center;
}
.heatmap-cell {
  width: 48px; height: 38px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; margin: 0 auto;
  transition: transform 0.15s;
  cursor: default;
}
.heatmap-cell:hover { transform: scale(1.1); }
.heatmap-cell.h0 { background: rgba(0,212,255,0.05); color: var(--text3); }
.heatmap-cell.h1 { background: rgba(0,212,255,0.12); color: #80e8ff; }
.heatmap-cell.h2 { background: rgba(0,212,255,0.22); color: #40d8ff; }
.heatmap-cell.h3 { background: rgba(0,212,255,0.36); color: #00d4ff; }
.heatmap-cell.h4 { background: rgba(0,212,255,0.55); color: #fff; }
.heatmap-row-label {
  font-size: 0.8rem; font-weight: 700; padding: 0 10px 0 4px;
  white-space: nowrap;
}
.heatmap-row-label.g1 { color: var(--primary); }
.heatmap-row-label.g2 { color: var(--accent-light); }

/* ── Detail Modal ── */
.detail-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(5,11,24,0.85);
  backdrop-filter: blur(10px);
  display: none; align-items: center; justify-content: center;
}
.detail-overlay.show { display: flex; }
.detail-modal {
  background: rgba(8, 18, 40, 0.98);
  border: 1px solid rgba(0,212,255,0.28);
  border-radius: 20px;
  padding: 0;
  width: 580px; max-width: 94vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 80px rgba(0,212,255,0.15);
  animation: modalIn 0.35s cubic-bezier(0.34,1.56,0.64,1);
  overflow: hidden;
}
@keyframes modalIn {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}
/* 모달 상단 툴바 – 항상 상단 고정 */
.detail-modal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(6, 14, 32, 0.98);
  border-bottom: 1px solid rgba(0,212,255,0.12);
  flex-shrink: 0;
  border-radius: 20px 20px 0 0;
}
/* 모달 상단 인쇄 버튼 */
.detail-print-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: linear-gradient(135deg, #00d4ff, #a855f7);
  border: none;
  border-radius: 999px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font);
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 18px rgba(0,212,255,0.35);
  letter-spacing: 0.3px;
}
.detail-print-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0,212,255,0.55);
}
.detail-print-btn i { font-size: 1rem; }

/* 목록 행 인쇄 버튼 */
.print-btn-row {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: linear-gradient(135deg, rgba(0,212,255,0.18), rgba(168,85,247,0.18));
  border: 1px solid rgba(0,212,255,0.4);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font);
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.print-btn-row:hover {
  background: linear-gradient(135deg, rgba(0,212,255,0.35), rgba(168,85,247,0.3));
  box-shadow: 0 0 12px rgba(0,212,255,0.3);
  color: #fff;
}

.detail-close {
  background: rgba(255,255,255,0.07); border: none;
  border-radius: 50%; width: 34px; height: 34px;
  color: var(--text3); font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; cursor: pointer; flex-shrink: 0;
}
.detail-close:hover { background: rgba(255,69,102,0.2); color: var(--red); }
.detail-scroll-area {
  overflow-y: auto;
  padding: 28px 32px 32px;
  flex: 1;
}
.detail-scroll-area::-webkit-scrollbar { width: 5px; }
.detail-scroll-area::-webkit-scrollbar-track { background: transparent; }
.detail-scroll-area::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.2); border-radius: 3px; }

.detail-header {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.detail-avatar {
  width: 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 900; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.detail-name { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 4px; }
.detail-meta { font-size: 0.85rem; color: var(--text3); }
.detail-body { display: flex; flex-direction: column; gap: 16px; }
.detail-row { }
.detail-row-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 1px;
  color: var(--primary); margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.detail-row-label i { font-size: 0.8rem; }
.detail-row-val {
  font-size: 0.9rem; color: var(--text2); line-height: 1.7;
  background: rgba(0,212,255,0.04);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-row,
  .charts-row:nth-child(even) { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 200px; }
  .sidebar { position: fixed; top: 0; left: 0; bottom: 0; transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .analytics-grid { grid-template-columns: 1fr; }
  .tab-content { padding: 16px 14px 32px; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
}