@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0D1117;
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-form {
    background-color: #161B22;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid #30363D;
    text-align: center;
}

.login-header .logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, rgba(47, 129, 247, 0.2), rgba(47, 129, 247, 0.05));
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.login-header .logo i {
    font-size: 2rem;
    color: #2F81F7;
}

.login-header h2 {
    color: #F0F6FC;
    font-weight: 600;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #8B949E;
    font-size: 1rem;
    margin-bottom: 0;
}

.alert {
    text-align: left;
    font-size: 0.9rem;
    margin-top: 1.5rem;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    color: #C9D1D9;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control {
    background-color: transparent;
    border: none;
    border-bottom: 2px solid #30363D;
    border-radius: 0;
    padding: 0.5rem 0.2rem;
    color: #F0F6FC;
    font-size: 1rem;
    transition: border-color 0.2s ease-in-out;
}

.form-control:focus {
    background-color: transparent;
    color: #F0F6FC;
    border-color: #2F81F7;
    box-shadow: none;
}

.btn-primary {
    background-color: #2F81F7;
    border-color: #2F81F7;
    border-radius: 8px;
    padding: 0.8rem;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 1rem;
    transition: background-color 0.2s ease-in-out, transform 0.1s ease;
}

.btn-primary:hover {
    background-color: #388BFD;
    border-color: #388BFD;
    transform: translateY(-2px);
}

.btn-primary:focus {
    box-shadow: 0 0 0 4px rgba(47, 129, 247, 0.25);
}