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

body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: #1f2937;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.logo {
    margin-bottom: 20px;
}

h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #111827;
}

.subtitle {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 30px;
}

form {
    text-align: left;
}

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

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: #374151;
}

.input-group input {
    width: 100%;
    padding: 10px 14px;
    font-size: 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.input-group input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
    font-family: inherit;
}

.btn-login:hover {
    opacity: 0.9;
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.error-msg {
    color: #ef4444;
    font-size: 14px;
    margin-bottom: 15px;
    min-height: 20px;
    text-align: center;
}