:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --border-color: #243047;
  --border-hover: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.15);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.6);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 2rem;
  background-color: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.domain-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 0.775rem;
  color: #38bdf8;
  font-family: monospace;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.user-badge.viewer {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fde68a;
}

.viewer-notice-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.1));
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  color: #fef3c7;
  padding: 0.6rem 2rem;
  font-size: 0.825rem;
}

.banner-icon {
  font-size: 1.05rem;
}

.main-content {
  flex: 1;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

/* Date Range Filter Section */
.date-filter-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.date-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.date-filter-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.date-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.date-tab-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.15s ease;
  user-select: none;
}

.date-tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.date-tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

.current-range-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 3px 9px;
  border-radius: 12px;
  white-space: nowrap;
}

.range-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #38bdf8;
  box-shadow: 0 0 6px #38bdf8;
}

.custom-date-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  flex-wrap: wrap;
}

.custom-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.date-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  outline: none;
  color-scheme: dark;
}

.date-sep {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Metric Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.stat-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.stat-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-icon {
  font-size: 1.25rem;
  opacity: 0.8;
}

.stat-card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.stat-value-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.stat-value-uv {
  font-size: 0.8rem;
  font-weight: 600;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  font-family: monospace;
}

.stat-value-uv-green {
  color: #34d399;
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.25);
}

.stat-sub {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.stat-value-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: #93c5fd;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: monospace;
}

.text-accent { color: #60a5fa !important; }
.text-success { color: #34d399 !important; }
.text-danger { color: #f87171 !important; }

/* Action & Search Bar */
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  flex: 1;
  max-width: 420px;
}

.search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-wrap input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.55rem 1rem 0.55rem 2.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Card & Table */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: #141d2f;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.025);
}

.text-center { text-align: center; }
.text-right { text-align: right; }

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-active {
  background-color: var(--success-light);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-inactive {
  background-color: var(--danger-light);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.35);
}

.btn-ghost {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.btn-xs {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  border-radius: 4px;
}

.btn-block {
  width: 100%;
}

.btn-icon-sm {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.btn-icon-sm:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Modals */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  animation: modalFadeIn 0.2s ease-out;
}

.modal-lg {
  max-width: 1100px;
  width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.75rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.logs-count-badge {
  font-size: 0.75rem;
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}

.btn-close:hover {
  color: var(--text-primary);
}

/* Smooth Horizontal Country Filter Bar (Zero-Lag) */
.country-filter-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: #131c2e;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.country-filter-prefix {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.country-tabs-scroll {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 2px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.country-tabs-scroll::-webkit-scrollbar {
  height: 4px;
}

.country-tabs-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.country-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 16px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.country-tab-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.25);
}

.country-tab-btn.active {
  background: var(--accent);
  border-color: #3b82f6;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.45);
}

.country-tab-count {
  background: rgba(0, 0, 0, 0.35);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 0.725rem;
  font-family: monospace;
}

.country-tab-btn.active .country-tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.logs-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  max-height: calc(90vh - 190px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: rgba(10, 15, 29, 0.5);
  transition: opacity 0.15s ease-in-out;
}

.logs-body.loading-dimmed {
  opacity: 0.4;
  pointer-events: none;
}

.logs-table th {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #141d2f;
  box-shadow: 0 1px 0 var(--border-color);
}

.logs-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.85rem;
  padding-top: 0.4rem;
  flex-shrink: 0;
}

.referer-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(56, 189, 248, 0.08);
  color: #7dd3fc;
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.775rem;
  text-decoration: none;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid rgba(56, 189, 248, 0.15);
}

.referer-pill:hover {
  background: rgba(56, 189, 248, 0.18);
  color: #bae6fd;
}

.referer-direct {
  color: var(--text-muted);
  font-size: 0.775rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 5px;
  display: inline-block;
}

.device-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.775rem;
  color: #e2e8f0;
}

.country-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: #e2e8f0;
}

.ip-text {
  font-family: monospace;
  font-size: 0.825rem;
  color: #a5b4fc;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

/* Forms */
.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.required {
  color: var(--danger);
}

.form-hint {
  display: block;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 4px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--accent);
}

.input-prefix-group {
  display: flex;
  align-items: stretch;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.input-prefix-group .prefix-label {
  padding: 0 0.8rem;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border-right: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.825rem;
  user-select: none;
  white-space: nowrap;
}

.input-prefix-group input {
  border: none;
  border-radius: 0;
  background: transparent;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.error-msg {
  background: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  margin-bottom: 1.15rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 1.5rem;
}

/* Login Modal Specific */
.login-box {
  max-width: 380px;
  text-align: center;
}

.login-header {
  margin-bottom: 1.5rem;
}

.brand-logo-mark {
  font-size: 2.2rem;
  margin-bottom: 0.35rem;
}

/* QR Box */
.qr-box {
  display: flex;
  justify-content: center;
  padding: 12px;
  background: #fff;
  border-radius: 12px;
  width: fit-content;
  margin: 0 auto;
}

.qr-url-text {
  margin-top: 10px;
  font-family: monospace;
  font-size: 0.825rem;
  color: #93c5fd;
  word-break: break-all;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  color: #fff;
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  z-index: 2000;
  display: none;
  animation: toastIn 0.25s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Grid */
@media (max-width: 1080px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar { padding: 0.75rem 1rem; }
  .main-content { padding: 1rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .action-bar { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: 100%; }
  .date-filter-row { flex-direction: column; align-items: flex-start; }
}