@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

:root {
  --bg: #121212;
  --fg: #E0E0E0;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.15);
  --accent: #BB86FC;
  --accent-2: #03DAC6;
  --shadow: rgba(0,0,0,0.7);
}

* {
  box-sizing: border-box;
  margin: 0; padding: 0;
  font-family: 'Inter', sans-serif;
  color: var(--fg);
  transition: all 0.3s ease;
}

body {
  background: var(--bg);
  padding: 2rem;
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 80%;
  margin: auto;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  box-shadow: 0 8px 32px var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
}

h1, h2 {
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

input[type="text"] {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: var(--fg);
  font-size: 1rem;
  margin-bottom: 1rem;
}

input::placeholder {
  color: rgba(255,255,255,0.6);
}

button {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

button::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.2);
  transform: skewX(-20deg);
  transition: left 0.5s;
}

button:hover::after {
  left: 200%;
}

button:hover {
  background: var(--accent-2);
}

.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}
.chart-frame {
  width: 100%;
  height: 400px;
  border-radius: 16px;
  border: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
  overflow: hidden;
}

#notification {
  position: fixed;
  top: 1.5rem; left: 50%;
  transform: translateX(-50%);
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 500;
  display: none;
  z-index: 999;
  backdrop-filter: blur(6px);
}

.notification-success {
  background: #2e7d32;
}

.notification-error {
  background: #b00020;
}

.loading-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
  z-index: 1000;
  display: none;
}

.loading-bar {
  position: absolute;
  left: -40%;
  width: 40%;
  height: 100%;
  background: var(--accent);
  animation: loading 1.2s ease-in-out infinite;
}

.loading-message {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  font-family: 'Source Code Pro', monospace;
  font-size: 0.9rem;
  color: var(--fg);
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
  display: none;
}

@keyframes loading {
  0%   { left: -40%; width: 40%; }
  50%  { left: 100%;  width: 60%; }
  100% { left: 100%;  width: 40%; }
}

.chart-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  box-shadow: 0 4px 16px var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.button-group {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

.button-group form,
.button-group > button {
  margin: 0;
}

.button-row {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  align-items: center;
}

#rateLimitWarning {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  background: rgba(255, 165, 0, 0.1);
  border-left: 4px solid #f39c12;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  color: #f1c40f;
}

#localRepoNotice {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  background: rgba(255, 255, 0, 0.1);
  border-left: 4px solid #ffeb3b;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  color: #f1c40f;
}

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

  .container {
    max-width: 100%;
  }

  .glass-card {
    padding: 1.5rem;
  }

  .charts {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .chart-frame {
    height: 300px;
  }

  .button-row {
    flex-direction: column;
    gap: 0.75rem;
  }

  .button-row button {
    width: 100%;
  }

  .button-group {
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .button-group button {
    width: 100%;
  }

  input[type="text"] {
    padding: 0.7rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  #notification {
    width: 90%;
    padding: 0.8rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .glass-card {
    padding: 1rem;
  }

  .chart-frame {
    height: 250px;
  }

  #rateLimitWarning,
  #localRepoNotice {
    font-size: 0.8rem;
    padding: 0.5rem;
  }

  .loading-message {
    font-size: 0.8rem;
    max-height: 150px;
  }
}