/* ===== CSS Variables ===== */
:root {
  --primary-green: #00ff88;
  --dark-green: #00cc6a;
  --bg-dark: #0d1117;
  --bg-darker: #080c10;
  --bg-card: #161b22;
  --text-primary: #ffffff;
  --text-secondary: #8b949e;
  --accent: #00ff88;
  --spacing: 2rem;
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(180deg, 
    var(--bg-darker) 0%, 
    var(--bg-dark) 30%, 
    #0f1a1a 60%, 
    #112222 100%);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
  letter-spacing: 1px;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-green);
  transition: width 0.3s;
}

.nav-menu a:hover {
  color: var(--primary-green);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-menu a.active {
  color: var(--primary-green);
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  font-size: 1rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--primary-green);
  color: var(--bg-dark);
  border: 2px solid var(--primary-green);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

/* ===== Login Modal ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 136, 0.2);
  max-width: 420px;
  width: 90%;
  position: relative;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-content h2 {
  color: var(--primary-green);
  margin-bottom: 0.5rem;
  font-size: 1.8rem;
  text-align: center;
}

.modal-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--bg-darker);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.form-group input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.btn-login {
  width: 100%;
  margin-top: 1rem;
  padding: 1rem;
}

.error-message {
  color: #ff4444;
  font-size: 0.9rem;
  text-align: center;
  min-height: 1.2rem;
}

/* Dashboard navbar overrides */
.dashboard-nav .nav-container {
  justify-content: space-between;
}

.dashboard-nav .nav-left {
  width: 100px;
}

.dashboard-nav .logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.genos-link {
  color: var(--primary-green) !important;
  font-weight: 700;
}

.genos-link:hover {
  color: var(--primary-green) !important;
}

/* Close button */
.close-btn {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 1.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
}

.close-btn:hover {
  color: var(--primary-green);
}

.modal-content {
  position: relative;
}