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

.login-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    width: 100%;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    font-size: 4rem;
    color: #3182ce;
    margin-bottom: 10px;
}

.login-title {
    font-size: 1.5rem;
    color: #2d3748;
    margin-bottom: 5px;
    font-weight: bold;
}

.login-subtitle {
    font-size: 0.9rem;
    color: #718096;
    margin-bottom: 30px;
}

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

.form-label {
    display: block;
    margin-bottom: 5px;
    color: #4a5568;
    font-weight: bold;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e0;
    border-radius: 5px;
    font-size: 1rem;
    color: #2d3748;
    outline: none;
    background-color: #f7fafc;
    transition: all 0.3s ease;
}

.form-input:focus {
    border-color: #3182ce;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
}

.btn-primary {
    background-color: #e53e3e;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    margin-top: 10px;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #c53030;
}

.alert-error {
    background-color: #fff5f5;
    color: #c53030;
    border: 1px solid #feb2b2;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}