body {
    background: #1a1a1a;
    color: #fff;
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 400px;
    background: #2a2a2a;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    padding: 40px;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: 25px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #fff;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: #363636;
    border: 1px solid #404040;
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    border-color: #5c5c5c;
    outline: none;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.1);
}

.btn {
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    margin: 0 auto;
}

.btn-primary {
    background: #4a90e2;
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: #357abd;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 24px;
    font-size: 14px;
}

.alert-error {
    background-color: rgba(220, 38, 38, 0.2);
    color: #ef4444;
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

h1, h2 {
    color: #fff;
    margin: 0 0 30px 0;
    font-size: 24px;
    text-align: center;
}

p {
    color: #9ca3af;
}

p.text-center {
    text-align: center;
    margin-top: 25px;
}

a {
    color: #4a90e2;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #357abd;
}

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}