:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --light-color: #f8f9fc;
    --dark-color: #2c3e50;
    --gray-light: #ecf0f1;
    --text-color: #34495e;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --border-radius: 10px;
}

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

body {
    background: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
}

.illustration-section {
    flex: 1.2;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
    padding: 2rem;
    border-radius: 0 10px 10px 0;
}

.illustration-content {
    position: relative;
    z-index: 2;
    width: 85%;
    max-width: 600px;
}

.illustration-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.notification-panel {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    width: 100%;
    text-align: left;
    color: var(--dark-color);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.notification-panel h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.notification-panel h3 i {
    color: var(--secondary-color);
}

.notification-list {
    list-style: none;
    max-height: 180px;
    overflow-y: auto;
    padding: 0;
    margin: 0 0 10px 0;
}

.notification-list::-webkit-scrollbar {
    width: 6px;
}

.notification-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.notification-list::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

.notification-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.notification-list li:last-child {
    border-bottom: none;
}

.notice-title {
    font-weight: 500;
    word-wrap: break-word;
    white-space: normal;
    flex: 1;
    padding-right: 1rem;
}

.notice-link {
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
}

.notice-link:hover {color: var(--primary-color);}
.notice-link img{ width: 25px; }

.contact-info {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    width: 100%;
    text-align: left;
    color: var(--dark-color);
    box-shadow: var(--shadow);
}

.section-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.contact-info ul {
    list-style: none;
    margin-bottom: 0.5rem;
}

.contact-info li {
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.shape1 {
    width: 280px;
    height: 280px;
    top: -120px;
    left: -120px;
}

.shape2 {
    width: 200px;
    height: 200px;
    bottom: -80px;
    right: -80px;
}

.shape3 {
    width: 140px;
    height: 140px;
    top: 40%;
    right: 30%;
}

/* Login Section */
.login-section {
    flex: 0.8;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--light-color);
}

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

.logo img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

.login-form {
    width: 100%;
    max-width: 420px;
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.login-form h2 {
    text-align: center;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.8rem;
}

.subtitle {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.95rem;
}

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

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-color);
    opacity: 0.6;
    font-size: 1.1rem;
}

.input-group input {
    width: 100%;
    padding: 14px 15px 14px 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-color);
}

.input-group input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.5rem;
    box-shadow: 0 4px 6px rgba(52, 152, 219, 0.2);
}

.login-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(52, 152, 219, 0.3);
}

.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
    text-align: center;
    width: 100%;
}

.footer p {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-color);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        min-height: 100vh;
        overflow-y: auto;
    }

    .illustration-section {
        padding: 1.5rem;
        flex: none;
        min-height: 40vh;
    }

    .illustration-content {
        width: 90%;
        max-width: 100%;
    }

    .login-section {
        width: 100%;
        flex: none;
        padding: 2rem 1.5rem;
        justify-content: flex-start;
    }

    .login-form {
        max-width: 500px;
    }

    .notification-list {
        max-height: 180px;
    }
}

@media (max-width: 768px) {
    .illustration-content h2 {
        font-size: 1.8rem;
    }

    .notification-panel,
    .contact-info {
        padding: 1.2rem;
    }

    .login-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        display: flex;
        flex-direction: column-reverse;
    }

    .illustration-section {
        padding: 1rem;
    }

    .illustration-content {
        width: 95%;
    }

    .login-form {
        padding: 1.5rem 1.2rem;
    }

    .input-group input {
        padding: 12px 12px 12px 40px;
    }

    .footer p {
        font-size: 0.8rem;
    }
}


@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-10px) rotate(5deg);
    }

    100% {
        transform: translateY(0) rotate(0deg);
    }
}

.shape1 {
    animation: float 8s ease-in-out infinite;
}

.shape2 {
    animation: float 12s ease-in-out infinite;
}

.shape3 {
    animation: float 10s ease-in-out infinite;
}