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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #4aaaee 0%, #f5f5f5 50%, #03681c 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: #fff;
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
}

.login-logo {
    height: 120px;
    margin-bottom: 25px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.login-box h1 {
    font-size: 28px;
    color: #2c5282; 
    margin-bottom: 8px;
    font-weight: 700;
}

.login-box h2 {
    font-size: 15px;
    color: #666;
    margin-bottom: 35px;
    font-weight: 400;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #2c5282;
    box-shadow: 0 0 0 3px rgba(44,82,130,0.1);
}

.error-msg {
    color: #e74c3c;
    font-size: 14px;
    margin-bottom: 20px;
    min-height: 20px;
    background: rgba(231,76,60,0.1);
    padding: 10px;
    border-radius: 6px;
    display: none;
}

.error-msg:not(:empty) {
    display: block;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(44,82,130,0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44,82,130,0.4);
}

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