@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #D9232D;
  --primary-hover: #b81c25;
  --secondary: #FFC107;
  --bg-color: #f3f4f6;
  --card-bg: #ffffff;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --input-bg: #f9fafb;
  --input-focus: rgba(217, 35, 45, 0.15);
  --success: #10b981;
  --danger: #ef4444;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  background-image: radial-gradient(circle at 10% 20%, rgba(217, 35, 45, 0.05) 0%, transparent 20%), 
                    radial-gradient(circle at 90% 80%, rgba(255, 193, 7, 0.08) 0%, transparent 20%);
  color: var(--text-main);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.login-container {
  width: 100%;
  max-width: 440px;
  padding: 2rem;
}

.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05), 0 4px 10px rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.login-logo {
  margin-bottom: 1.5rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  text-align: center;
}

.login-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-align: center;
}

.login-form {
  width: 100%;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-wrapper i {
  position: absolute;
  left: 1rem;
  color: #9ca3af;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.3s ease;
  outline: none;
}

.form-control::placeholder {
  color: #9ca3af;
}

.form-control:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--input-focus);
}

.form-control:focus + i,
.input-icon-wrapper:focus-within i {
  color: var(--primary);
}

.login-btn {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.login-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217, 35, 45, 0.2);
}

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

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

.alert-danger {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  background-color: #fef2f2;
  border: 1px solid #fee2e2;
  color: var(--danger);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  animation: shake 0.5s ease-in-out;
}

.alert-success {
  background-color: #ecfdf5;
  border-color: #d1fae5;
  color: var(--success);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.auth-links {
  margin-top: 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.auth-links p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.auth-links a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.auth-links a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.back-to-site {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.back-to-site:hover {
  color: var(--text-main);
}