:root {
    --primary: #1e3a8a;
    --secondary: #f59e0b;
    --dark: #172554;
    --light: #f8fafc;
    --gray: #64748b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

.login-form h2 {
    margin-bottom: 20px;
    color: var(--dark);
    text-align: center;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group i {
    margin-right: 8px;
    color: var(--primary);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.form-options a {
    text-decoration: none;
    color: var(--primary);
}

.error-message {
    color: red;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.btn-login {
    width: 100%;
    background-color: var(--secondary);
    color: var(--dark);
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-login:hover {
    background-color: #e67e22;
}

.signup-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
}
.signup-link a {
    color: var(--primary);
    text-decoration: none;
}