:root {
  --bg-color: #0f172a;
  --bg-accent: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --danger: #ef4444;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --sidebar-width: 260px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-panel, .glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.modal-overlay.hidden {
  display: none;
}
.modal-content {
  width: 90%;
  max-width: 450px;
  padding: 24px;
  animation: modalIn 0.3s ease-out;
}
@keyframes modalIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.modal-header h2 { margin-bottom: 8px; color: var(--primary); }
.modal-header p { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; }

/* Form Elements */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }
.form-group input[type="text"], 
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: white;
  font-size: 14px;
  transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

select option {
  background-color: var(--bg-accent);
  color: var(--text-main);
}

.form-row { display: flex; gap: 16px; }
.flex-1 { flex: 1; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Buttons */
.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-secondary { background: rgba(255,255,255,0.1); color: white; border: 1px solid var(--glass-border); }
.btn-secondary:hover { background: rgba(255,255,255,0.2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 0;
  border-left: none;
  border-top: none;
  border-bottom: none;
}
.brand {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--glass-border);
}
.brand-icon { font-size: 28px; color: var(--primary); }
.brand-text h1 { font-size: 18px; font-weight: 700; }
.brand-text span { font-size: 12px; color: var(--success); }

.nav-menu {
  flex: 1;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-item i { font-size: 20px; }
.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
}
.nav-item.active {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--glass-border);
}
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.dot.online { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot.offline { background: var(--danger); }

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.topbar {
  height: 72px;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
}
.page-title h2 { font-size: 20px; font-weight: 600; }

.page-section {
  display: none;
  padding: 32px;
  flex: 1;
  overflow-y: auto;
}
.page-section.active { display: block; animation: fadeUp 0.3s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.section-header { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
.section-header p { color: var(--text-muted); }

/* Dashboard Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.metric-card {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.metric-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}
.val-primary { background: rgba(59,130,246,0.1); color: var(--primary); }
.val-success { background: rgba(16,185,129,0.1); color: var(--success); }
.val-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.metric-info { display: flex; flex-direction: column; }
.metric-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.metric-value { font-size: 24px; font-weight: 700; }

/* Tables */
.table-container { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th, .data-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}
.data-table th { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.data-table td { font-size: 14px; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.text-center { text-align: center; color: var(--text-muted); }

/* Cards */
.config-card { padding: 24px; }
.config-card h3 { font-size: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--glass-border); padding-bottom: 12px; }

/* Log Panel */
.log-panel {
  padding: 20px;
  height: 400px;
  display: flex;
  flex-direction: column;
}
.log-panel h3 { font-size: 16px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.log-container {
  flex: 1;
  overflow-y: auto;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 12px;
  font-family: monospace;
  font-size: 13px;
}
.log-empty { color: var(--text-muted); text-align: center; margin-top: 20px; }
.log-entry { margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px dashed rgba(255,255,255,0.1); }
.log-entry.success .status { color: var(--success); }
.log-entry.danger .status { color: var(--danger); }
.log-entry.info .status { color: var(--primary); }
.log-time { color: var(--text-muted); margin-right: 8px; }

/* Code Lyoko Entry Screen */
.lyoko-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 10000;
  overflow: hidden;
  pointer-events: auto;
}
.lyoko-door {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background-color: #000;
  z-index: 10000;
  transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}
.lyoko-door-left {
  left: 0;
}
.lyoko-door-right {
  right: 0;
}
.lyoko-overlay.unlocked .lyoko-door-left {
  transform: translateX(-100%);
}
.lyoko-overlay.unlocked .lyoko-door-right {
  transform: translateX(100%);
}
.lyoko-overlay.unlocked {
  pointer-events: none;
}
.lyoko-content {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10001;
  transition: opacity 0.5s ease;
}
.lyoko-overlay.unlocked .lyoko-content {
  opacity: 0;
}
.lyoko-scanline {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0) 50%, rgba(0, 255, 255, 0.2) 50%, rgba(0, 255, 255, 0.2));
  background-size: 100% 4px;
  z-index: 10001;
  pointer-events: none;
  animation: scan 10s linear infinite;
  opacity: 0.3;
}
@keyframes scan {
  from { background-position: 0 0; }
  to { background-position: 0 100%; }
}
.lyoko-terminal {
  text-align: center;
  z-index: 10002;
  font-family: 'Courier New', Courier, monospace;
}
.lyoko-eye {
  width: 100px;
  height: 100px;
  border: 4px solid #0ff;
  border-radius: 50%;
  margin: 0 auto 30px;
  position: relative;
  box-shadow: 0 0 20px #0ff, inset 0 0 20px #0ff;
  animation: pulse 2s infinite alternate;
}
.lyoko-eye .eye-inner {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  border: 3px solid #0ff;
  border-radius: 50%;
}
.lyoko-eye .eye-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  background-color: #0ff;
  border-radius: 50%;
  box-shadow: 0 0 15px #0ff;
}
@keyframes pulse {
  0% { box-shadow: 0 0 10px #0ff, inset 0 0 10px #0ff; transform: scale(0.95); }
  100% { box-shadow: 0 0 30px #0ff, inset 0 0 30px #0ff; transform: scale(1.05); }
}
.lyoko-title {
  color: #0ff;
  font-size: 24px;
  letter-spacing: 4px;
  margin-bottom: 10px;
  text-shadow: 0 0 10px #0ff;
}
.lyoko-subtitle {
  color: #fff;
  font-size: 14px;
  margin-bottom: 30px;
  opacity: 0.7;
}
.lyoko-input {
  background: transparent;
  border: 1px solid #0ff;
  color: #0ff;
  padding: 12px 20px;
  font-size: 16px;
  font-family: 'Courier New', Courier, monospace;
  text-align: center;
  width: 300px;
  outline: none;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
  transition: all 0.3s;
}
.lyoko-input:focus {
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
  background: rgba(0, 255, 255, 0.1);
}
.lyoko-input::placeholder {
  color: rgba(0, 255, 255, 0.5);
}
.lyoko-error {
  color: #f00;
  margin-top: 15px;
  font-weight: bold;
  text-shadow: 0 0 10px #f00;
  display: none;
  animation: glitch 0.2s linear infinite;
}
@keyframes glitch {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

/* Intense Glitch Effect on Success */
.glitch-effect {
  animation: intenseGlitch 0.5s cubic-bezier(.25, .46, .45, .94) both infinite;
  color: #fff;
  text-shadow: 2px 0 red, -2px 0 blue;
}

@keyframes intenseGlitch {
  0% { transform: translate(0) skew(0deg); opacity: 1; filter: hue-rotate(0deg); }
  10% { transform: translate(-5px, 5px) skew(10deg); filter: hue-rotate(90deg); }
  20% { transform: translate(5px, -5px) skew(-10deg); opacity: 0.8; }
  30% { transform: translate(-10px, 10px) skew(20deg); filter: invert(1); }
  40% { transform: translate(10px, -10px) skew(-20deg); opacity: 0.9; }
  50% { transform: translate(-5px, -5px) skew(5deg); filter: hue-rotate(180deg); }
  60% { transform: translate(5px, 5px) skew(-5deg); opacity: 0.7; }
  70% { transform: translate(0, 10px) scale(1.1); filter: invert(0); }
  80% { transform: translate(-10px, 0) scale(0.9); }
  90% { transform: translate(5px, -5px) skew(10deg); filter: hue-rotate(270deg); }
  100% { transform: translate(0) skew(0deg); opacity: 1; filter: hue-rotate(360deg); }
}