/* ═══════════ Reset & Variables ═══════════ */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  --bg:        #0f0f14;
  --bg-card:   #1a1a24;
  --bg-sidebar:#13131c;
  --bg-hover:  #22223a;
  --text:      #e8e8f0;
  --text-muted:#8888a8;
  --accent:    #c850c0;
  --accent2:   #4158d0;
  --gradient:  linear-gradient(135deg, #4158d0, #c850c0, #ffcc70);
  --border:    #2a2a3e;
  --radius:    12px;
  --sidebar-w: 260px;
  --topbar-h:  64px;
  --transition: .25s ease;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ═══════════ Sidebar ═══════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}
.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--border);
}
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo span { font-weight: 300; }
.logo-sub {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  list-style: none;
  padding: 16px 12px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: all var(--transition);
  margin-bottom: 4px;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(65,88,208,.2), rgba(200,80,192,.2));
  color: #fff;
}
.nav-item.active i {
  color: var(--accent);
}
.nav-item i { width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.token-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  color: var(--text-muted);
}
.token-status i { font-size: .5rem; }
.token-status.valid i { color: #43e97b; }
.token-status.expired i { color: #f5576c; }

/* ═══════════ Main Content ═══════════ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  position: relative;
}

/* ═══════════ Topbar ═══════════ */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(15,15,20,.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-left { display:flex; align-items:center; gap:16px; }
.topbar-right { display:flex; align-items:center; gap:16px; }
.page-title { font-size:1.2rem; font-weight:600; }
.menu-toggle {
  display:none;
  background:none; border:none; color:var(--text); font-size:1.2rem; cursor:pointer;
}
.btn-refresh {
  background:none; border:1px solid var(--border); color:var(--text-muted);
  width:36px; height:36px; border-radius:8px; cursor:pointer;
  transition: all var(--transition);
}
.btn-refresh:hover { border-color:var(--accent); color:var(--accent); }
.btn-refresh.spinning i { animation: spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

.profile-mini {
  display:flex; align-items:center; gap:10px;
}
.profile-mini img {
  width:32px; height:32px; border-radius:50%;
  border:2px solid var(--accent);
  object-fit: cover;
}
.profile-mini span { font-size:.85rem; font-weight:500; }

/* ═══════════ Loading ═══════════ */
.loading-overlay {
  position:fixed; inset:0; left:var(--sidebar-w);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  background:var(--bg); z-index:200;
  transition: opacity .4s;
}
.loading-overlay.hidden { opacity:0; pointer-events:none; }
.spinner {
  width:48px; height:48px;
  border:3px solid var(--border);
  border-top-color:var(--accent);
  border-radius:50%;
  animation: spin .8s linear infinite;
}
.loading-overlay p { margin-top:16px; color:var(--text-muted); font-size:.9rem; }

/* ═══════════ Error Banner ═══════════ */
.error-banner {
  margin:16px 32px 0;
  padding:14px 20px;
  background:rgba(245,87,108,.1);
  border:1px solid rgba(245,87,108,.3);
  border-radius:var(--radius);
  display:flex; align-items:center; gap:12px;
  color:#f5576c;
  font-size:.88rem;
}
.error-banner span { flex:1; }
.btn-close-error { background:none; border:none; color:#f5576c; cursor:pointer; font-size:1rem; }

/* ═══════════ Date Filter Bar ═══════════ */
.date-filter-bar {
  padding:16px 32px;
  background:var(--bg-card);
  border-bottom:1px solid var(--border);
  position:sticky; top:var(--topbar-h); z-index:40;
}
.date-filter-row {
  display:flex; align-items:flex-end; gap:16px; flex-wrap:wrap;
}
.date-group label {
  display:block; font-size:.72rem; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:.5px; margin-bottom:4px; font-weight:600;
}
.date-inputs {
  display:flex; align-items:center; gap:6px;
}
.date-inputs input[type="date"] {
  padding:7px 10px; border-radius:8px;
  background:var(--bg); border:1px solid var(--border);
  color:var(--text); font-size:.82rem; font-family:inherit;
  outline:none; cursor:pointer;
}
.date-inputs input[type="date"]:focus { border-color:var(--accent); }
.date-inputs span { color:var(--text-muted); font-size:.78rem; }

.date-compare-toggle { display:flex; align-items:flex-end; padding-bottom:4px; }
.toggle-label {
  display:flex; align-items:center; gap:8px;
  cursor:pointer; font-size:.82rem; color:var(--text-muted);
  user-select:none;
}
.toggle-label input { display:none; }
.toggle-slider {
  width:36px; height:20px; border-radius:10px;
  background:var(--border); position:relative;
  transition: background var(--transition);
}
.toggle-slider::after {
  content:''; position:absolute; top:2px; left:2px;
  width:16px; height:16px; border-radius:50%;
  background:var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}
.toggle-label input:checked ~ .toggle-slider { background:var(--accent); }
.toggle-label input:checked ~ .toggle-slider::after {
  transform:translateX(16px); background:#fff;
}

.btn-apply-date {
  padding:8px 18px; border-radius:8px;
  background:linear-gradient(135deg, var(--accent2), var(--accent));
  border:none; color:#fff; font-weight:600; font-size:.82rem;
  cursor:pointer; display:flex; align-items:center; gap:6px;
  transition: opacity var(--transition); white-space:nowrap;
}
.btn-apply-date:hover { opacity:.85; }

.date-presets {
  display:flex; gap:6px; margin-top:10px; flex-wrap:wrap; align-items:center;
}
.preset-btn {
  padding:5px 12px; border-radius:6px;
  background:transparent; border:1px solid var(--border);
  color:var(--text-muted); font-size:.75rem; cursor:pointer;
  transition:all var(--transition);
}
.preset-btn:hover { border-color:var(--accent); color:var(--text); }
.preset-btn.active {
  background:rgba(200,80,192,.15); border-color:var(--accent); color:var(--accent);
}
.preset-divider { color:var(--border); font-size:.8rem; margin:0 4px; }

/* ═══════════ KPI Comparison Cards ═══════════ */
.kpi-card .kpi-compare {
  display:flex; align-items:center; gap:8px; margin-top:4px;
}
.kpi-compare .kpi-val-a, .kpi-compare .kpi-val-b {
  font-size:.78rem; color:var(--text-muted);
}
.kpi-compare .kpi-val-a::before { content:'A: '; font-weight:600; color:var(--accent); }
.kpi-compare .kpi-val-b::before { content:'B: '; font-weight:600; color:#4facfe; }
.kpi-change {
  display:inline-flex; align-items:center; gap:3px;
  font-size:.75rem; font-weight:600;
  padding:2px 8px; border-radius:12px;
}
.kpi-change.up { color:#43e97b; background:rgba(67,233,123,.12); }
.kpi-change.down { color:#f5576c; background:rgba(245,87,108,.12); }
.kpi-change.neutral { color:var(--text-muted); background:rgba(136,136,168,.1); }

/* ═══════════ Follows Detail (inside KPI card) ═══════════ */
.kpi-follows-detail {
  display:flex; gap:12px; margin-top:6px; flex-wrap:wrap;
}
.kpi-follows-detail .follows-item {
  display:flex; align-items:center; gap:4px;
  font-size:.75rem; font-weight:500;
}
.kpi-follows-detail .follows-item.gained { color:#43e97b; }
.kpi-follows-detail .follows-item.lost { color:#f5576c; }
.kpi-follows-detail .follows-item i { font-size:.65rem; }

/* ═══════════ Sections ═══════════ */
.content-section {
  display:none;
  padding:28px 32px 40px;
  animation: fadeIn .3s ease;
}
.content-section.active { display:block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* ═══════════ Profile Card ═══════════ */
.profile-card {
  background: var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 32px;
  display:flex;
  align-items:center;
  gap:24px;
  margin-bottom:24px;
}
.profile-avatar img {
  width:80px; height:80px; border-radius:50%;
  border:3px solid var(--accent);
  object-fit:cover;
}
.profile-info { flex:1; }
.profile-info h2 { font-size:1.3rem; font-weight:700; }
.profile-username { color:var(--accent); font-size:.9rem; margin-top:2px; }
.profile-bio { color:var(--text-muted); font-size:.85rem; margin-top:6px; max-width:500px; }
.profile-stats { display:flex; gap:32px; }
.stat-box { text-align:center; }
.stat-value { display:block; font-size:1.5rem; font-weight:700; }
.stat-label { font-size:.75rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; }

/* ═══════════ KPI Cards ═══════════ */
.kpi-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:16px;
  margin-bottom:28px;
}
.kpi-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  display:flex;
  align-items:center;
  gap:16px;
  transition: border-color var(--transition);
}
.kpi-card:hover { border-color:var(--accent); }
.kpi-icon {
  width:48px; height:48px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; color:#fff; flex-shrink:0;
}
.kpi-value { display:block; font-size:1.4rem; font-weight:700; }
.kpi-label { font-size:.78rem; color:var(--text-muted); }

/* ═══════════ Charts ═══════════ */
.charts-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(400px, 1fr));
  gap:20px;
  margin-bottom:28px;
}
.chart-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
}
.chart-card.full-width { grid-column:1/-1; }
.chart-card h3 { font-size:1rem; font-weight:600; margin-bottom:16px; }
.chart-description { color:var(--text-muted); font-size:.85rem; margin:-8px 0 16px; }

/* ═══════════ Section Header ═══════════ */
.section-header {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:16px;
}
.section-header h3 { font-size:1.05rem; font-weight:600; }
.btn-link {
  background:none; border:none; color:var(--accent); cursor:pointer;
  font-size:.85rem; font-weight:500;
  display:flex; align-items:center; gap:6px;
}

/* ═══════════ Posts Grid ═══════════ */
.posts-preview-grid, .posts-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
  gap:12px;
}
.posts-grid {
  grid-template-columns:repeat(auto-fill, minmax(240px, 1fr));
  gap:16px;
}

.post-card {
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  cursor:pointer;
  aspect-ratio:1;
  background:var(--bg-card);
  border:1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}
.post-card:hover { transform:translateY(-4px); border-color:var(--accent); }
.post-card img {
  width:100%; height:100%; object-fit:cover;
}
.post-overlay {
  position:absolute; inset:0;
  background:rgba(0,0,0,.6);
  display:flex; align-items:center; justify-content:center;
  gap:20px; opacity:0;
  transition: opacity var(--transition);
}
.post-card:hover .post-overlay { opacity:1; }
.post-overlay span {
  display:flex; align-items:center; gap:6px;
  font-size:.9rem; font-weight:600;
}
.post-type-badge {
  position:absolute; top:8px; right:8px;
  background:rgba(0,0,0,.6);
  color:#fff; font-size:.7rem;
  padding:4px 8px; border-radius:6px;
}

/* ═══════════ Post Filters ═══════════ */
.section-controls {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:20px; flex-wrap:wrap; gap:12px;
}
.filter-group { display:flex; gap:8px; }
.filter-btn {
  padding:8px 16px; border-radius:8px;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-muted); font-size:.82rem; cursor:pointer;
  transition: all var(--transition);
}
.filter-btn:hover { border-color:var(--accent); color:var(--text); }
.filter-btn.active {
  background:linear-gradient(135deg, var(--accent2), var(--accent));
  border-color:transparent; color:#fff;
}
.sort-group select {
  padding:8px 12px; border-radius:8px;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text); font-size:.82rem; cursor:pointer;
}

/* ═══════════ Load More ═══════════ */
.load-more-container { text-align:center; margin-top:24px; }
.btn-load-more {
  padding:12px 32px; border-radius:10px;
  background:linear-gradient(135deg, var(--accent2), var(--accent));
  border:none; color:#fff; font-weight:600; font-size:.9rem;
  cursor:pointer; transition: opacity var(--transition);
}
.btn-load-more:hover { opacity:.85; }

/* ═══════════ Top Posts List ═══════════ */
.top-posts-list { display:flex; flex-direction:column; gap:10px; }
.top-post-item {
  display:flex; align-items:center; gap:12px;
  padding:10px; border-radius:8px;
  background:rgba(255,255,255,.03);
  cursor:pointer;
  transition: background var(--transition);
}
.top-post-item:hover { background:rgba(255,255,255,.06); }
.top-post-rank {
  width:28px; height:28px; border-radius:50%;
  background:linear-gradient(135deg, var(--accent2), var(--accent));
  display:flex; align-items:center; justify-content:center;
  font-size:.75rem; font-weight:700; flex-shrink:0;
}
.top-post-thumb {
  width:44px; height:44px; border-radius:8px;
  object-fit:cover; flex-shrink:0;
}
.top-post-info { flex:1; min-width:0; }
.top-post-caption {
  font-size:.82rem; white-space:nowrap; overflow:hidden;
  text-overflow:ellipsis;
}
.top-post-metrics {
  font-size:.75rem; color:var(--text-muted); margin-top:2px;
}

/* ═══════════ Stories ═══════════ */
.stories-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(180px, 1fr));
  gap:16px;
}
.story-card {
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:9/16;
  background:var(--bg-card);
  border:2px solid var(--border);
  position:relative;
}
.story-card img { width:100%; height:100%; object-fit:cover; }

/* ═══════════ Empty State ═══════════ */
.empty-state {
  text-align:center; padding:60px 20px;
  color:var(--text-muted);
  grid-column:1/-1;
}
.empty-state i { font-size:2.5rem; margin-bottom:12px; display:block; }

/* ═══════════ Modal ═══════════ */
.modal-overlay {
  position:fixed; inset:0; z-index:500;
  background:rgba(0,0,0,.8);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
  animation: fadeIn .2s ease;
}
.modal-content {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:16px;
  max-width:800px; width:100%;
  max-height:90vh; overflow:auto;
  position:relative;
}
.modal-close {
  position:absolute; top:12px; right:12px;
  background:rgba(0,0,0,.5); border:none;
  color:#fff; width:32px; height:32px;
  border-radius:50%; cursor:pointer; font-size:1rem;
  z-index:10;
}
.modal-body { display:flex; flex-direction:column; }
.modal-media { width:100%; max-height:500px; overflow:hidden; }
.modal-media img { width:100%; object-fit:contain; }
.modal-details { padding:20px 24px; }
.modal-stats { display:flex; gap:24px; margin-bottom:12px; }
.modal-stat {
  display:flex; align-items:center; gap:6px;
  font-size:.95rem; font-weight:600;
}
.modal-stat i { color:var(--accent); }
.modal-caption { font-size:.88rem; color:var(--text-muted); line-height:1.5; margin-bottom:12px; }
.modal-date { font-size:.78rem; color:var(--text-muted); margin-bottom:16px; }
.btn-instagram {
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 20px; border-radius:10px;
  background:linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  color:#fff; text-decoration:none; font-weight:600; font-size:.85rem;
  transition: opacity var(--transition);
}
.btn-instagram:hover { opacity:.85; }

/* ═══════════ Search Section (Creators / Hashtags) ═══════════ */
.search-section { margin-bottom:24px; }
.search-section h3 { font-size:1.1rem; margin-bottom:4px; }
.search-bar {
  display:flex; align-items:center; gap:0;
  margin-top:12px; max-width:600px;
}
.search-at {
  background:var(--bg-card); border:1px solid var(--border); border-right:none;
  padding:10px 12px; border-radius:10px 0 0 10px;
  color:var(--accent); font-weight:700; font-size:1rem;
}
.search-bar input {
  flex:1; padding:10px 14px; border:1px solid var(--border);
  background:var(--bg-card); color:var(--text); font-size:.9rem;
  outline:none; border-left:none; border-right:none;
  font-family:inherit;
}
.search-bar input:focus { border-color:var(--accent); }
.btn-search {
  padding:10px 20px; border:1px solid var(--accent); border-radius:0 10px 10px 0;
  background:linear-gradient(135deg, var(--accent2), var(--accent));
  color:#fff; font-weight:600; font-size:.85rem; cursor:pointer;
  display:flex; align-items:center; gap:6px;
  transition: opacity var(--transition);
  white-space:nowrap;
}
.btn-search:hover { opacity:.85; }

/* ═══════════ Creator Result Card ═══════════ */
.creator-result { margin-bottom:24px; }
.creator-profile-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); padding:24px; margin-bottom:20px;
  display:flex; align-items:center; gap:20px; flex-wrap:wrap;
}
.creator-avatar img {
  width:72px; height:72px; border-radius:50%;
  border:3px solid var(--accent); object-fit:cover;
}
.creator-info { flex:1; min-width:200px; }
.creator-info h3 { font-size:1.15rem; font-weight:700; }
.creator-info .creator-username { color:var(--accent); font-size:.88rem; }
.creator-info .creator-bio { color:var(--text-muted); font-size:.82rem; margin-top:4px; max-width:450px; }
.creator-stats { display:flex; gap:24px; }
.creator-stat { text-align:center; }
.creator-stat .val { display:block; font-size:1.3rem; font-weight:700; }
.creator-stat .lbl { font-size:.72rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; }
.creator-metrics {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(180px,1fr));
  gap:12px; margin-bottom:20px;
}
.creator-metric-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:10px; padding:16px; text-align:center;
}
.creator-metric-card .val { font-size:1.2rem; font-weight:700; display:block; }
.creator-metric-card .lbl { font-size:.75rem; color:var(--text-muted); }

/* ═══════════ Creator History ═══════════ */
.creator-history { margin-top:16px; }
.creator-history h4 { font-size:.9rem; color:var(--text-muted); margin-bottom:10px; }
.history-list { display:flex; flex-wrap:wrap; gap:8px; }
.history-tag {
  padding:6px 14px; border-radius:20px;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text); font-size:.82rem; cursor:pointer;
  transition: all var(--transition);
}
.history-tag:hover { border-color:var(--accent); color:var(--accent); }

/* ═══════════ Hashtag Results ═══════════ */
.hashtag-tabs { display:flex; gap:8px; margin-bottom:16px; }
.hashtag-tab {
  padding:8px 20px; border-radius:8px;
  background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-muted); cursor:pointer; font-size:.85rem;
  transition:all var(--transition);
}
.hashtag-tab.active {
  background:linear-gradient(135deg,var(--accent2),var(--accent));
  border-color:transparent; color:#fff;
}

/* ═══════════ Scrollbar ═══════════ */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent); }

/* ═══════════ Responsive ═══════════ */
@media(max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .loading-overlay { left:0; }
  .menu-toggle { display:block; }
  .profile-card { flex-direction:column; text-align:center; }
  .profile-stats { justify-content:center; }
  .charts-grid { grid-template-columns:1fr; }
  .content-section { padding:20px 16px 32px; }
  .topbar { padding:0 16px; }
}