:root {
    --primary-color: #4e73df;
    --secondary-color: #1cc88a;
    --accent-color: #36b9cc;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --danger-color: #F54927;
    --shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(120deg, #f8f9fc 0%, #e6e9f5 100%);
}

.container {
    display: flex;
    width: 100%;
    height: 100vh;
    background: white;
    overflow: hidden;
}

.illustration-section {
    flex: 1;
    background: linear-gradient(150deg, var(--primary-color) 15%, var(--accent-color) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.illustration-content {
    position: relative;
    z-index: 2;
    width: 80%;
    text-align: center;
}

.illustration-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    font-weight: 600;
}

.illustration-content p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.academic-icons {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 30px;
}

.academic-icons div {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shape1,
.shape2,
.shape3 {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.shape1 {
    width: 250px;
    height: 250px;
    top: -100px;
    left: -100px;
}

.shape2 {
    width: 180px;
    height: 180px;
    bottom: -70px;
    right: -70px;
}

.shape3 {
    width: 120px;
    height: 120px;
    top: 40%;
    right: 40%;
}

.login-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

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

.logo img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.login-form {
    width: 100%;
    max-width: 400px;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--dark-color);
    font-weight: 700;
}

.subtitle {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
    opacity: 0.8;
}

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

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-color);
    opacity: 0.6;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 115, 223, 0.15);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn:hover {
    background: #3a59c7;
    transform: translateY(-2px);
}

.footer{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
}

.footer p {
    margin-bottom: 0.25rem;
}

.footer a {
    color: var(--dark-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer p:nth-child(2) a{
    color: var(--text-color);
    font-weight: 700;
}

.footer a:hover {
    color: var(--primary-color);
}


@media (max-width: 900px) {
    .container { flex-direction: column-reverse; }
    .illustration-section { padding: 30px; }
    .login-section { padding: 30px 20px; }
}