:root {
     --color-primary: #22333b;
     --color-secondary: #c6ad8f;
     --color-background: #faf9f6;
     --color-text-primary: #22333b;
     --color-text-secondary: #566270;
     --color-border: #e0d9cf;
     --color-hover: #1a282e;
     --color-success: #4caf50;
     --color-error: #f44336;
     --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
     --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
     --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
     --transition: all 0.3s ease;
     --radius: 12px;
     --radius-sm: 8px;
 }

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

 body {
     font-family: 'Inter', sans-serif;
     background-color: var(--color-background);
     color: var(--color-text-primary);
     line-height: 1.6;
     min-height: 100vh;
     display: flex;
     justify-content: center;
     align-items: center;
     padding: 1rem;
     position: relative;
     overflow-x: hidden;
 }

 .background-animation {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(120deg, rgba(34, 51, 59, 0.05) 0%, rgba(198, 173, 143, 0.1) 100%);
     z-index: -1;
 }

 .background-animation::before {
     content: "";
     position: absolute;
     width: 200px;
     height: 200px;
     background: rgba(198, 173, 143, 0.1);
     border-radius: 50%;
     top: 10%;
     left: 20%;
     animation: float 15s infinite ease-in-out;
 }

 .background-animation::after {
     content: "";
     position: absolute;
     width: 150px;
     height: 150px;
     background: rgba(34, 51, 59, 0.08);
     border-radius: 50%;
     bottom: 15%;
     right: 20%;
     animation: float 12s infinite ease-in-out reverse;
 }

 @keyframes float {

     0%,
     100% {
         transform: translateY(0) translateX(0);
     }

     25% {
         transform: translateY(-30px) translateX(20px);
     }

     50% {
         transform: translateY(0) translateX(40px);
     }

     75% {
         transform: translateY(30px) translateX(20px);
     }
 }

 .form {
     background: white;
     padding: 2.5rem;
     border-radius: var(--radius);
     box-shadow: var(--shadow-lg);
     width: 100%;
     max-width: 450px;
     animation: fadeIn 0.5s ease;
 }

 .logo-container {
     text-align: center;
     margin-bottom: 2rem;
 }

 .logo-container h1 {
     font-family: 'Cal Sans', sans-serif;
     font-size: 2.5rem;
     color: var(--color-primary);
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 0.5rem;
 }

 .logo-container h1::before {
     content: "\f02d";
     font-family: 'Font Awesome 6 Free';
     font-weight: 900;
     color: var(--color-secondary);
     font-size: 2.2rem;
 }

 .title-container {
     text-align: center;
     margin-bottom: 2rem;
 }

 .title {
     font-family: 'Cal Sans', sans-serif;
     font-size: 1.8rem;
     margin-bottom: 0.5rem;
     color: var(--color-primary);
 }

 .subtitle {
     color: var(--color-text-secondary);
     font-size: 1rem;
 }

 .input-group {
     position: relative;
     margin-bottom: 1.5rem;
 }

 .input {
     width: 100%;
     padding: 1rem 1rem;
     border: 2px solid var(--color-border);
     border-radius: var(--radius-sm);
     font-size: 1rem;
     background-color: white;
     color: var(--color-text-primary);
     transition: var(--transition);
     font-family: 'Inter', sans-serif;
 }

 .input:focus {
     outline: none;
     border-color: var(--color-secondary);
     box-shadow: 0 0 0 3px rgba(198, 173, 143, 0.2);
 }

 .input-label {
     position: absolute;
     top: 1rem;
     left: 1rem;
     color: var(--color-text-secondary);
     pointer-events: none;
     transition: var(--transition);
     background: white;
     padding: 0 0.25rem;
 }

 .input:focus~.input-label,
 .input:not(:placeholder-shown)~.input-label {
     top: -0.5rem;
     left: 0.75rem;
     font-size: 0.85rem;
     color: var(--color-secondary);
 }

 .input-border {
     position: absolute;
     bottom: 0;
     left: 0;
     width: 0;
     height: 2px;
     background-color: var(--color-secondary);
     transition: var(--transition);
 }

 .input:focus~.input-border {
     width: 100%;
 }

 .options-container {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 1.5rem;
     flex-wrap: wrap;
     gap: 0.5rem;
 }

 .remember-me {
     display: flex;
     align-items: center;
     gap: 0.5rem;
 }

 .remember-me input[type="checkbox"] {
     accent-color: var(--color-secondary);
     width: 1.1rem;
     height: 1.1rem;
     cursor: pointer;
 }

 .remember-me label {
     font-size: 0.9rem;
     color: var(--color-text-secondary);
     cursor: pointer;
 }

 .forgot-password {
     color: var(--color-secondary);
     text-decoration: none;
     font-size: 0.9rem;
     transition: var(--transition);
 }

 .forgot-password:hover {
     color: var(--color-primary);
     text-decoration: underline;
 }

 .button-confirm {
     width: 100%;
     background-color: var(--color-primary);
     color: white;
     border: none;
     padding: 1rem;
     border-radius: var(--radius-sm);
     cursor: pointer;
     font-size: 1rem;
     transition: var(--transition);
     font-weight: 500;
     display: flex;
     justify-content: center;
     align-items: center;
     gap: 0.5rem;
     margin-bottom: 1.5rem;
 }

 .button-confirm:hover {
     background-color: var(--color-hover);
 }

 .arrow-icon {
     width: 20px;
     height: 20px;
     stroke: white;
     transition: var(--transition);
 }

 .button-confirm:hover .arrow-icon {
     transform: translateX(5px);
 }

 .divider {
     display: flex;
     align-items: center;
     margin-bottom: 1.5rem;
     color: var(--color-text-secondary);
 }

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

 .divider span {
     padding: 0 1rem;
     font-size: 0.9rem;
 }

 .login-with {
     display: flex;
     justify-content: center;
     gap: 1rem;
     margin-bottom: 1.5rem;
 }

 .button-log {
     width: 50px;
     height: 50px;
     border-radius: 50%;
     border: 1px solid var(--color-border);
     background: white;
     cursor: pointer;
     display: flex;
     justify-content: center;
     align-items: center;
     transition: var(--transition);
 }

 .button-log:hover {
     transform: translateY(-3px);
     box-shadow: var(--shadow-sm);
     border-color: var(--color-secondary);
 }

 .icon {
     width: 24px;
     height: 24px;
     fill: var(--color-text-secondary);
     transition: var(--transition);
 }

 .button-log:hover .icon {
     fill: var(--color-primary);
 }

 .signup-link {
     text-align: center;
     font-size: 0.95rem;
     color: var(--color-text-secondary);
 }

 .signup-link a {
     color: var(--color-secondary);
     text-decoration: none;
     font-weight: 500;
     transition: var(--transition);
 }

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

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

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 @media (max-width: 480px) {
     .form {
         padding: 2rem 1.5rem;
     }

     .logo-container h1 {
         font-size: 2rem;
     }

     .title {
         font-size: 1.5rem;
     }

     .options-container {
         flex-direction: column;
         align-items: flex-start;
         gap: 1rem;
     }
 }