/* Base */
body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background-color: #121212;
  color: #E0E0E0;
}

/* Navigation */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background-color: #1E1E1E;
  border-bottom: 1px solid #2A2A2A;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

nav .logo img {
  height: 40px;
}

.nav-tabs {
  display: flex;
  list-style: none;
  gap: 1rem;
}

.nav-tabs li button {
  background: none;
  border: none;
  color: #E0E0E0;
  font-weight: 500;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: color 0.2s ease, border-bottom 0.2s ease;
  border-bottom: 2px solid transparent;
}

.nav-tabs li button.active {
  color: #00BCD4;
  border-bottom: 2px solid #00BCD4;
}

.nav-tabs li button:hover {
  color: #00BCD4;
}

/* Main Content */
main {
  padding: 2rem;
}

/* Tab Content */
.tab-content {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tab-content.show {
  opacity: 1;
}

.hidden {
  display: none;
}

/* Sections styling */
.tab-content h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* Space cards */
.space-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.space-card {
  background-color: #1E1E1E;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  border: 1px solid #333;
  cursor: pointer;
  transition: border 0.2s ease, background 0.2s ease;
}

.space-card:hover {
  background-color: #2A2A2A;
  border-color: #00BCD4;
}

.space-name {
  font-weight: 600;
  color: #FFFFFF;
}

.space-info {
  font-size: 0.9rem;
  color: #B0B0B0;
  margin-top: 0.3rem;
}

/* Inputs & Buttons */
input {
  padding: 0.7rem 1rem;
  border-radius: 6px;
  border: 1px solid #333;
  background-color: #1E1E1E;
  color: #E0E0E0;
  width: 250px;
  margin-right: 0.5rem;
}

button {
  padding: 0.7rem 1rem;
  border: none;
  border-radius: 6px;
  background-color: #00BCD4;
  color: #121212;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background-color: #0097A7;
}