@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-dark: #0f0f1a;
  --bg-box: #1a1b26;
  --border: rgba(255, 255, 255, 0.1);
  --text-main: #e0e0ff;
  --text-light: #b0b0d0;
  --accent: #7a6ef0;
  --accent-hover: #9d94ff;
  --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}


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

body, html {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(122, 110, 240, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(122, 110, 240, 0.1) 0%, transparent 20%);
}


#sidePanel {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  background-color: var(--bg-box);
  box-shadow: 2px 0 10px rgba(0,0,0,0.8);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 12px 0 0 12px;
}


#sidePanel nav ul li a {
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  padding: 10px 15px;
  border-radius: 8px;
  display: block;
  transition: var(--transition);
}

#sidePanel nav ul li a:hover {
  background-color: var(--accent);
  color: var(--text-main);
}


#mainContent {
  margin-left: 260px;
  padding: 40px 60px;
  min-height: 100vh;
}


.panel {
  background-color: var(--bg-box);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}


.panel h3 {
  margin-bottom: 1rem;
  color: var(--accent);
  font-weight: 600;
}


.panel p {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.5;
}


.welcome-panel {
  max-width: 700px;
  margin: 40px auto;
  text-align: center;
}

.welcome-panel h1 {
  font-weight: 700;
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--accent);
}

.welcome-panel button {
  background-color: #006bb3;
  border: none;
  color: #00aaff;
  padding: 14px 26px;
  cursor: pointer;
  font-weight: 700;
  border-radius: 8px;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-shadow: 0 0 10px #00aaff66;
  margin-top: 20px;
}

.welcome-panel button:hover {
  background-color: #004080;
  color: #99ddff;
  box-shadow: 0 0 18px #00ccffbb;
}


@media (max-width: 720px) {
  #sidePanel {
    position: relative;
    width: 100%;
    height: auto;
    flex-direction: row;
    justify-content: space-around;
    padding: 15px 10px;
    border-radius: 0;
  }

  #mainContent {
    margin-left: 0;
    padding: 20px;
  }
}