:root {
  --bg: #0f1115;
  --panel: #1b1e24;
  --primary: #10b981;
  --primary-hover: #059669;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --border: #374151;
  --danger: #ef4444;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 40px;
}

/* Navbar */
.navbar {
  background-color: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s;
}

.nav-links a:hover { color: #fff; }

/* Layout */
.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: #4b5563;
}

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 500;
}
.alert-success { background: rgba(16,185,129,0.1); color: #34d399; border: 1px solid #10b981; }
.alert-danger { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid #ef4444; }

/* Menu Home (Grid) */
.home-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.menu-card {
  background: linear-gradient(145deg, var(--panel), #22262d);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 20px;
  padding: 35px 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.menu-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--primary);
  opacity: 0;
  transition: opacity 0.3s;
}

.menu-card.blue::after { background: #3b82f6; }
.menu-card.orange::after { background: #f59e0b; }
.menu-card.purple::after { background: #8b5cf6; }

.menu-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.15);
}

.menu-card:hover::after {
  opacity: 1;
}

.menu-icon {
  font-size: 54px;
  margin-bottom: 20px;
  filter: drop-shadow(0 8px 8px rgba(0,0,0,0.2));
  transition: transform 0.4s;
}

.menu-card:hover .menu-icon {
  transform: scale(1.15) rotate(5deg);
}

.menu-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.menu-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.4;
}