:root {
  --bg-main: #090b10;
  --bg-card: #11151f;
  --bg-card-elevated: #171c29;
  --bg-input: #0c0f17;
  --border-subtle: #22293a;
  --border-highlight: #303a52;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.25);

  --status-available: #10b981;
  --status-available-bg: rgba(16, 185, 129, 0.12);
  --status-taken: #ef4444;
  --status-taken-bg: rgba(239, 68, 68, 0.12);
  --status-inappropriate: #f59e0b;
  --status-inappropriate-bg: rgba(245, 158, 11, 0.12);
  --status-error: #a855f7;
  --status-error-bg: rgba(168, 85, 247, 0.12);
}

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

body {
  background-color: var(--bg-main);
  background-image:
    radial-gradient(circle at 12% 10%, rgba(99, 102, 241, 0.08), transparent 32%),
    radial-gradient(circle at 88% 15%, rgba(16, 185, 129, 0.06), transparent 30%);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

code {
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: #cbd5e1;
}

.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* HEADER */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-badge {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1 0%, #10b981 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
  letter-spacing: -0.5px;
}

.top-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.version-pill {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.16);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 2px;
}

.api-health-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--status-available);
  box-shadow: 0 0 8px var(--status-available);
}

.pulse-dot.rate-limited {
  background-color: var(--status-inappropriate);
  box-shadow: 0 0 10px var(--status-inappropriate);
}

.pulse-dot.error {
  background-color: var(--status-taken);
  box-shadow: 0 0 10px var(--status-taken);
}

/* CARDS */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* CONTROL PANEL */
.control-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--text-primary);
  background: var(--bg-card-elevated);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-primary);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-primary.running {
  background: #dc2626;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
}

.btn-primary.running:hover {
  background: #b91c1c;
}

.btn-secondary {
  background: var(--bg-card-elevated);
  border-color: var(--border-highlight);
}

.btn-secondary:hover:not(:disabled) {
  background: #22293d;
}

.btn-accent {
  background: rgba(16, 185, 129, 0.16);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.38);
}

.btn-accent:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.26);
}

.btn-danger-outline {
  background: transparent;
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.btn-danger-outline:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.12);
}

.btn-sm {
  padding: 7px 13px;
  font-size: 0.82rem;
  border-radius: 8px;
}

.settings-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.control-group select,
.manual-form input {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-highlight);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  outline: none;
}

.control-group select:focus,
.manual-form input:focus {
  border-color: var(--accent-primary);
}

/* TELEMETRY BAR */
.telemetry-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.phase-info {
  flex: 1;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.phase-labels {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.84rem;
}

.phase-badge {
  background: rgba(99, 102, 241, 0.2);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.4);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.phase-title {
  color: var(--text-primary);
  font-weight: 600;
}

.live-candidate {
  margin-left: auto;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.82rem;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 10px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.progress-track {
  width: 100%;
  height: 7px;
  background: var(--bg-input);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #10b981);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.speed-metrics {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.metric-pill {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
}

.metric-label {
  color: var(--text-secondary);
  margin-right: 4px;
}

.text-success {
  color: var(--status-available);
}

/* 5 STATS GRID */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

@media (max-width: 1100px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 680px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: "JetBrains Mono", Consolas, monospace;
  letter-spacing: -0.5px;
}

.stat-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stat-total .stat-icon {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
}
.stat-available {
  border-color: rgba(16, 185, 129, 0.35);
}
.stat-available .stat-value {
  color: var(--status-available);
}
.stat-available .stat-icon {
  background: var(--status-available-bg);
  color: var(--status-available);
}
.stat-taken .stat-value {
  color: #f87171;
}
.stat-taken .stat-icon {
  background: var(--status-taken-bg);
  color: var(--status-taken);
}
.stat-inappropriate .stat-value {
  color: #fbbf24;
}
.stat-inappropriate .stat-icon {
  background: var(--status-inappropriate-bg);
  color: var(--status-inappropriate);
}
.stat-error .stat-value {
  color: #c084fc;
}
.stat-error .stat-icon {
  background: var(--status-error-bg);
  color: var(--status-error);
}

/* MAIN SPLIT */
.main-split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 1024px) {
  .main-split {
    grid-template-columns: 1fr;
  }
}

.right-column {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.panel-header h2 {
  font-size: 1.08rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot-available {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--status-available);
  box-shadow: 0 0 10px var(--status-available);
}

.count-badge {
  background: var(--status-available-bg);
  color: var(--status-available);
  border: 1px solid rgba(16, 185, 129, 0.35);
  font-size: 0.78rem;
  padding: 1px 8px;
  border-radius: 999px;
  font-family: "JetBrains Mono", Consolas, monospace;
}

.panel-subtitle {
  font-size: 0.79rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.panel-actions {
  display: flex;
  gap: 8px;
}

/* CATEGORY TABS */
.category-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.tab-btn,
.pill-btn {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 5px 11px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn:hover,
.pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-highlight);
}

.tab-btn.active,
.pill-btn.active {
  background: rgba(99, 102, 241, 0.18);
  color: #a5b4fc;
  border-color: rgba(99, 102, 241, 0.45);
}

/* AVAILABLE USERNAME GRID */
.available-list-container {
  min-height: 410px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
}

.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.empty-state h3 {
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 440px;
  margin: 0 auto;
}

.available-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 10px;
}

.available-item {
  background: var(--bg-card-elevated);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.available-item:hover {
  transform: translateY(-2px);
  border-color: var(--status-available);
}

.available-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.username-mono {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 1.25rem;
  font-weight: 800;
  color: #34d399;
  letter-spacing: 1px;
}

.btn-copy-single {
  background: rgba(16, 185, 129, 0.14);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.32);
  border-radius: 7px;
  padding: 5px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-copy-single:hover {
  background: var(--status-available);
  color: #06281e;
}

.available-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.cat-tag {
  background: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
  padding: 2px 7px;
  border-radius: 5px;
  font-weight: 600;
}

/* MANUAL CHECK CARD */
.manual-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.manual-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
}

.manual-hint {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.manual-form {
  display: flex;
  gap: 10px;
}

.manual-form input {
  flex: 1;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.manual-result-box {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.83rem;
  background: var(--bg-input);
  border: 1px solid var(--border-highlight);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.hidden {
  display: none !important;
}

/* LIVE LOG TABLE */
.log-filter-pills {
  display: flex;
  gap: 5px;
}

.log-table-wrapper {
  max-height: 410px;
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.log-table th {
  position: sticky;
  top: 0;
  background: var(--bg-card-elevated);
  color: var(--text-secondary);
  text-align: left;
  padding: 9px 12px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border-subtle);
}

.log-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.log-name {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.6px;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.73rem;
  font-weight: 700;
}

.status-AVAILABLE {
  background: var(--status-available-bg);
  color: var(--status-available);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-TAKEN {
  background: var(--status-taken-bg);
  color: #f87171;
}

.status-INAPPROPRIATE {
  background: var(--status-inappropriate-bg);
  color: #fbbf24;
}

.status-ERROR,
.status-RATE_LIMIT {
  background: var(--status-error-bg);
  color: #c084fc;
}

.empty-log-row {
  text-align: center;
  color: var(--text-muted);
  padding: 32px !important;
}

/* TOAST */
.toast-container {
  position: fixed;
  bottom: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
}

.toast {
  background: #1e293b;
  color: #f8fafc;
  border-left: 4px solid var(--status-available);
  padding: 10px 16px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  font-size: 0.85rem;
  font-weight: 600;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}