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

body {
    font-family: Arial, sans-serif;
    background: #f4f7fb;
}

.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #eef4ff, #f8fafc);
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

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

.login-header h1 {
    color: #2563eb;
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header h2 {
    color: #1f2937;
    font-size: 22px;
    margin-bottom: 8px;
}

.login-header p {
    color: #6b7280;
    font-size: 14px;
}

.login-field {
    margin-bottom: 20px;
}

.login-field label {
    display: block;
    margin-bottom: 8px;
    color: #374151;
    font-size: 14px;
    font-weight: 600;
}

.login-field input {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-field input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.login-button {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 8px;
    background: #2563eb;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-button:hover {
    background: #1d4ed8;
}

.login-message {
    min-height: 20px;
    margin-bottom: 12px;
    text-align: center;
    font-size: 14px;
}

.login-footer {
    margin-top: 25px;
    text-align: center;
    color: #9ca3af;
    font-size: 12px;
}