:root {
  --bg: #0b0b14;
  --bg-card: #12121f;
  --bg-sidebar: #0f0f1a;
  --text: #ffffff;
  --text-muted: #a0a0b8;
  --accent: #8b5cf6;
  --accent-2: #ec4899;
  --accent-3: #06b6d4;
  --border: rgba(255,255,255,0.08);
  --shadow: rgba(0,0,0,0.3);
}

.light {
  --bg: #eef0f6;
  --bg-card: #ffffff;
  --bg-sidebar: #e2e4ec;
  --text: #0a0a14;
  --text-muted: #4a4a5e;
  --accent: #7c3aed;
  --accent-2: #db2777;
  --accent-3: #0891b2;
  --border: rgba(0,0,0,0.12);
  --shadow: rgba(0,0,0,0.12);
}

* {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

.sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.card {
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 52px var(--shadow);
}

.float-animation {
  animation: float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.img-hover {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.img-hover:hover {
  transform: scale(1.04) translateY(-6px);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.gradient-bg-2 {
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  transition: transform 0.2s, opacity 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  color: var(--text-muted);
  transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent);
}

.light .nav-link:hover,
.light .nav-link.active {
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent);
}

.light footer {
  background-color: #d8dbe5;
}

#form-status {
  transition: all 0.3s ease;
}

#form-status.form-success {
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.light #form-status.form-success {
  background-color: rgba(34, 197, 94, 0.1);
}

#form-status.form-error {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.light #form-status.form-error {
  background-color: rgba(239, 68, 68, 0.1);
}

.logo-fill {
  fill: white;
}

.logo-stroke {
  stroke: white;
}

.light .logo-fill {
  fill: black;
}

.light .logo-stroke {
  stroke: black;
}

.logo-light {
  display: none;
}

.light .logo-dark {
  display: none;
}

.light .logo-light {
  display: block;
}

.top-nav-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

.top-nav-link:hover,
.top-nav-link.active {
  color: var(--text);
}

.hero-bg {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 45%;
  height: 100%;
  background: radial-gradient(circle, rgba(139,92,246,0.25) 0%, rgba(236,72,153,0.15) 40%, transparent 70%);
  pointer-events: none;
}

.light .hero-bg {
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, rgba(219,39,119,0.08) 40%, transparent 70%);
}

@media (max-width: 1024px) {
  .hero-bg {
    top: 10%;
    right: 50%;
    transform: translateX(50%);
    width: 120%;
    height: 80%;
    opacity: 0.6;
  }
}

.icon-box {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: linear-gradient(135deg, rgba(139,92,246,0.9), rgba(236,72,153,0.9));
  border-radius: 1rem;
  color: white;
}

input, textarea {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, textarea:focus {
  border-color: var(--accent);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: 50;
    height: 100vh;
  }
  .sidebar.open {
    transform: translateX(0);
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}