:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --bg-dark: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --error-color: #ef4444;
  --success-color: #10b981;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: 
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    var(--bg-dark);
}

.login-wrapper {
  width: 100%;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.6s ease-out;
}

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

.logo-area {
  text-align: center;
  margin-bottom: 30px;
}

.logo-area svg {
  margin-bottom: 15px;
  animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.logo-area h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.logo-area p {
  color: var(--text-muted);
  font-size: 14px;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 15px;
  transition: all 0.2s ease;
  outline: none;
}

.input-group input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.form-actions.center {
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 0;
}

.forgot-link {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}

.forgot-link:hover {
  color: var(--text-main);
}

.primary-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  color: white;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(99, 102, 241, 0.6);
}

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

.primary-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.error-msg {
  margin-top: 15px;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
  opacity: 0;
  transition: opacity 0.3s;
}

.error-msg.show {
  opacity: 1;
}

.error-msg.error {
  color: var(--error-color);
}

.error-msg.success {
  color: var(--success-color);
}

/* Spinner */
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading .spinner {
  display: inline-block;
}