:root {
  --bg-primary: #0a0a0c;
  --bg-secondary: #141417;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --accent-primary: #3b82f6;
  --accent-secondary: #6366f1;
  --border-color: #27272a;
  --input-bg: #09090b;
  --radius-lg: 12px;
  --radius-md: 8px;
  --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

/* Background Ornamentation */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 50% -20%, #1e1b4b 0%, transparent 50%),
              radial-gradient(circle at 0% 100%, #0c0a09 0%, transparent 50%);
  opacity: 0.6;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
}

.brand-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.brand-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.2);
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.brand-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-wrapper {
  position: relative;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: white;
  font-size: 1rem;
  transition: var(--transition);
  outline: none;
}

input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.forgot-link {
  font-size: 0.75rem;
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition);
}

.forgot-link:hover {
  text-decoration: underline;
}

.btn-primary {
  width: 100%;
  padding: 0.875rem;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.btn-primary:hover {
  background: #f4f4f5;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.divider {
  display: flex;
  align-items: center;
  margin: 2rem 0;
  color: var(--border-color);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.divider span {
  padding: 0 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.social-auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-social:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.footer-text {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-text a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}

.footer-text a:hover {
  text-decoration: underline;
}

.placeholder-icon {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}