body {
    background: #18191a;
    font-family: 'Roboto', 'Montserrat', Arial, sans-serif;
    color: #e4e6eb;
}
.login-container {
    background: #242526;
    border: 1px solid #3a3b3c;
    max-width: 350px;
    margin: 60px auto 0 auto;
    padding: 40px 40px 24px 40px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.24);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.insta-logo {
    margin-bottom: 32px;
    margin-top: 10px;
}
.insta-logo img {
    width: 175px;
    height: auto;
    display: block;
}
.login-container h2 {
    display: none;
}
#loginForm {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#loginForm input {
    background: #3a3b3c;
    border: 1px solid #555;
    border-radius: 4px;
    padding: 10px;
    font-size: 1rem;
    margin-bottom: 6px;
    color: #e4e6eb;
}
#loginForm input::placeholder {
    color: #b0b3b8;
}
#loginForm button {
    background: #0095f6;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}
#loginForm button:disabled {
    opacity: 0.5;
    cursor: default;
}
#loginForm button:hover {
    background: #1877f2;
}
.error {
    color: #ed4956;
    font-size: 0.95rem;
    margin-bottom: 10px;
    text-align: center;
    min-height: 20px;
}
.divider {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 18px 0 18px 0;
}
.divider-line {
    flex: 1;
    height: 1px;
    background: #3a3b3c;
}
.divider-text {
    margin: 0 18px;
    color: #b0b3b8;
    font-weight: 600;
    font-size: 0.95rem;
}
.signup-link {
    margin-top: 24px;
    text-align: center;
    font-size: 1rem;
    background: #242526;
    border: 1px solid #3a3b3c;
    border-radius: 8px;
    padding: 18px 0;
    width: 100%;
}
.signup-link a {
    color: #0095f6;
    text-decoration: none;
    font-weight: 600;
}
.signup-link a:hover {
    text-decoration: underline;
}
.forgot-link {
    margin-top: 16px;
    text-align: center;
    width: 100%;
}
.forgot-link a {
    color: #b0b3b8;
    font-size: 0.95rem;
    text-decoration: none;
}
.forgot-link a:hover {
    text-decoration: underline;
}