:root {
  --bg-dark: #0f111a;
  --text-primary: #ffffff;
  --text-secondary: #a0a8cc;
  --accent: #6b46c1;
  --accent-glow: rgba(107, 70, 193, 0.4);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --success: #10b981;

  --font-main: "Inter", sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 2rem;
  position: relative;
  overflow-x: hidden;
}

/* Background Blobs for Glassmorphism effect */
.blob {
  position: absolute;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.5;
  animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.blob-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #2563eb 0%, transparent 70%);
  bottom: -200px;
  right: -200px;
  animation-delay: -5s;
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(50px, 50px) scale(1.1);
  }
}

/* Layout */
.dashboard-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.dashboard-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--success);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
}

}

.header-main {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header-controls {
  display: flex;
  align-items: center;
}

.dashboard-logo {
  height: 10rem; /* Huge size per user feedback */
  width: auto;
  object-fit: contain;
}

.dashboard-footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--glass-border);
  margin-top: 2rem;
}
/* Glass Component Base */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
  cursor: pointer;
}

/* Grid KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px 0 var(--accent-glow);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.kpi-title {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.kpi-header i {
  font-size: 1.25rem;
  color: var(--text-primary);
  opacity: 0.7;
}

.kpi-value {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.02em;
}

.kpi-trend {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.highlight-trend {
  color: var(--success);
}

/* Chart Container */
.chart-container {
  width: 100%;
}

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

.chart-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.chart-header .subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.chart-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
}

/* --- Login Overlay Styles --- */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  background-color: rgba(15, 17, 26, 0.6);
  backdrop-filter: blur(10px);
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
}

.login-logo {
  height: 60px;
  margin-bottom: 1.5rem;
  object-fit: contain;
}

.login-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.login-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

#login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  text-align: left;
  gap: 0.5rem;
}

.input-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.input-group input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.login-error {
  color: #ef4444;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: left;
}

.hidden {
  display: none !important;
}

.login-btn {
  margin-top: 0.5rem;
  padding: 1rem;
  border-radius: 0.5rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.login-btn:hover {
  background: #7c57d6;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.login-btn:active {
  transform: scale(0.98);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-wrapper {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}