:root {
  --bg-gradient: linear-gradient(135deg, #040914 0%, #0a162d 50%, #02050c 100%);
  --card-bg: rgba(13, 27, 54, 0.75);
  --card-border: rgba(56, 189, 248, 0.2);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-electric: #00d2ff;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.7);
  --glow-cyan: 0 0 15px rgba(56, 189, 248, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 16px;
}

/* BURSTAXIS AUTH 10.0 OVERLAY SCREEN */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 9, 20, 0.92);
  backdrop-filter: blur(20px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.auth-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: rgba(13, 27, 54, 0.95);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow), var(--glow-cyan);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.auth-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.auth-logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.8));
  margin-bottom: 4px;
}

.auth-header h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.auth-header h1 strong {
  color: var(--accent-cyan);
}

.auth-header p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group i {
  position: absolute;
  left: 14px;
  color: var(--accent-cyan);
  font-size: 0.95rem;
}

.input-group input {
  width: 100%;
  background: rgba(4, 9, 20, 0.9);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 12px 14px 12px 42px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

.input-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.remember-row {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.remember-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}

.remember-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.auth-error-msg {
  font-size: 0.82rem;
  color: var(--accent-red);
  min-height: 18px;
  font-weight: 600;
}

.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #ffffff;
  padding: 14px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--glow-cyan);
  transition: all 0.2s ease;
}

.auth-btn:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #1d4ed8 100%);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.7);
  transform: translateY(-1px);
}

.auth-btn:active {
  transform: scale(0.97);
}

.auth-footer {
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

/* MAIN APP CONTAINER HIDDEN STATE */
.app-container {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: filter 0.3s ease;
}

.app-container.hidden {
  filter: blur(10px);
  pointer-events: none;
}

/* Header with Ninja Logo */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), var(--glow-cyan);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logout-btn {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: var(--accent-red);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-cyan);
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.6));
}

.logo strong {
  color: var(--text-main);
}

.server-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e2e8f0;
  box-shadow: 0 0 8px #e2e8f0;
  transition: all 0.3s ease;
}

.server-status.online .pulse-dot {
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

.server-status.offline .pulse-dot {
  background: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red);
}

/* Card General */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--accent-cyan);
}

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

.card-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Sleek Sync Header Button */
.sync-header-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
  transition: all 0.2s ease;
}

.sync-header-btn:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #1d4ed8 100%);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.6);
  transform: translateY(-1px);
}

.sync-header-btn:active {
  transform: scale(0.95);
}

/* Client Selector */
.select-wrapper {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

select {
  flex: 1;
  background: rgba(5, 12, 26, 0.85);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
}

select:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.icon-btn {
  background: rgba(5, 12, 26, 0.85);
  border: 1px solid var(--card-border);
  color: var(--accent-cyan);
  padding: 0 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.icon-btn:active {
  transform: scale(0.95);
}

/* Emulator Info Badge Card */
.emulator-info-badge {
  background: rgba(4, 9, 20, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.emu-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.emu-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.emu-dot.online {
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
}

.emu-dot.offline {
  background: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red);
}

.emu-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.detail-item i {
  color: var(--accent-cyan);
  margin-right: 4px;
}

.detail-item strong {
  color: var(--text-main);
}

.version-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(4, 9, 20, 0.6);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 189, 248, 0.1);
}

.version-selector label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.toggle-group {
  display: flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px;
  border-radius: 8px;
}

.ver-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ver-btn.active {
  background: var(--accent-cyan);
  color: #040914;
  box-shadow: var(--glow-cyan);
}

/* Keybind Grid */
.keybind-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.keybind-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.keybind-item label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.keybind-item select {
  padding: 8px 10px;
  font-size: 0.85rem;
}

/* Action Buttons Grid */
.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 10px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: rgba(5, 12, 26, 0.85);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  gap: 6px;
}

.action-btn i {
  font-size: 1.4rem;
}

.action-btn span {
  font-weight: 600;
  font-size: 0.95rem;
}

.action-btn small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.action-btn:active {
  transform: scale(0.96);
}

.action-btn:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.action-btn.primary i { color: var(--accent-cyan); }
.action-btn.success i { color: var(--accent-green); }
.action-btn.danger i { color: var(--accent-red); }
.action-btn.secondary i { color: var(--accent-cyan); }

.action-btn.full-width {
  grid-column: span 2;
}

/* Log Console */
.clear-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.log-console {
  background: rgba(2, 5, 12, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.1);
  border-radius: var(--radius-md);
  padding: 12px;
  height: 140px;
  overflow-y: auto;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry {
  line-height: 1.3;
}

.log-entry.system { color: var(--accent-cyan); }
.log-entry.success { color: var(--accent-green); }
.log-entry.error { color: var(--accent-red); }
.log-entry.info { color: var(--text-muted); }