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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    max-width: 440px;
    width: 100%;
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #1869AA 0%, #3687C8 100%);
    padding: 32px;
    text-align: center;
}

.login-header h1 {
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.login-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    margin-top: 8px;
}

.login-body {
    padding: 32px;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #181818;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #B4B4B4;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    outline: none;
}

input:focus {
    border-color: #90DAF1;
    box-shadow: 0 0 0 3px rgba(144, 218, 241, 0.2);
}

button {
    width: 100%;
    padding: 12px;
    background: #60893C;
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    background: #7EA75A;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(96, 137, 60, 0.4);
}

.error {
    background: #FFF1D0;
    border-left: 4px solid #FBAE00;
    color: #181818;
    margin-bottom: 24px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}