.form-container {
    max-width: 700px;
    margin: 2rem auto;
    padding: 0 1rem;

    h1 {
        text-align: center;
        color: var(--color-text-primary-light);
        margin-bottom: 2rem;
        font-size: 2rem;
    }
}

contact-container {
    a {
        color: var(--active-color);
        text-decoration: underline;
        text-underline-offset: 0.2em;

        &:hover {
            color: var(--active-color-muted, #0056b3);
        }
    }
}

#contactDialog {
    border: 2px solid var(--color-border-light);
    border-radius: 0.5rem;
    padding: 0;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--color-card-shadow-light);
    background-color: var(--color-bg-light);

    &::backdrop {
        background-color: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;

    fieldset {
        border: 2px solid var(--color-border-light);
        border-radius: 0.5rem;
        padding: 2rem;
        margin: 0;
        background-color: var(--color-card-bg-light);
        box-shadow: var(--color-card-shadow-light);
        transition: background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
    }

    legend {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--color-text-primary-light);
        margin-bottom: 1rem;
        padding: 0.5rem;
    }

    label {
        display: block;
        color: var(--color-text-secondary-light);
        font-weight: 500;
        margin-bottom: 1rem;

        input,
        textarea {
            display: block;
            width: 100%;
            margin-top: 0.5rem;
            transition: background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
        }
    }

    input,
    textarea {
        padding: 0.75rem;
        border: 2px solid var(--color-border-light);
        border-radius: 0.375rem;
        font-family: var(--font-main);
        font-size: 1rem;
        background-color: var(--color-bg-light);
        color: var(--color-text-primary-light);
        transition: border-color 0.5s ease, box-shadow 0.5s ease;

        &:focus {
            outline: none;
            border-color: var(--active-color);
            box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
        }

        &:invalid:not(:placeholder-shown) {
            border-color: #dc3545;
        }

        &:valid:not(:placeholder-shown) {
            border-color: #198754;
        }

        &::placeholder {
            color: var(--color-text-secondary-light);
            opacity: 0.6;
        }
    }

    textarea {
        resize: vertical;
        min-height: 100px;
    }

    .char-counter {
        font-size: 0.875rem;
        color: var(--color-text-secondary-light);
        margin-top: 0.25rem;
        text-align: right;
        transition: color 0.3s ease;

        &.warning {
            color: #ff9800;
            font-weight: 600;
        }

        &.error {
            color: #dc3545;
            font-weight: 600;
        }
    }

    /* Flash animation for invalid input */
    input.flash,
    textarea.flash {
        animation: flashError 0.5s ease;
    }

    @keyframes flashError {
        0%, 100% {
            border-color: var(--color-border-light);
        }
        25%, 75% {
            border-color: #dc3545;
            background-color: #ffe6e6;
        }
        50% {
            border-color: #ff0000;
            background-color: #ffcccc;
        }
    }

    .form-buttons {
        display: flex;
        gap: 1rem;
        justify-content: flex-end;
        margin-top: 1rem;
    }

    button {
        padding: 0.75rem 1.5rem;
        border: none;
        border-radius: 0.375rem;
        font-family: var(--font-main);
        font-size: 1rem;
        font-weight: 500;
        cursor: pointer;
        transition: background-color 0.5s ease, transform 0.5s ease;

        &[type="submit"] {
            background-color: var(--active-color);
            color: white;

            &:hover {
                background-color: var(--active-color-muted, #0056b3);
                transform: translateY(-1px);
            }

            &:active {
                transform: translateY(0);
            }
        }

        &[type="button"],
        &[type="reset"] {
            background-color: var(--color-border-light);
            color: var(--color-text-secondary-light);

            &:hover {
                background-color: var(--color-icon-hover-bg-light);
            }
        }
    }
}

.required-indicator {
    color: #dc3545;
    font-weight: bold;
    margin-left: 0.25rem;
}

.field-error {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
    font-weight: 500;

    &:empty {
        min-height: 0;
    }
}

.error-message,
.info-message {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    font-weight: 500;

    &:empty {
        display: none;
        padding: 0;
        margin: 0;
    }
}

.error-message {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.info-message {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

#theme-toggle-checkbox:checked ~ main {
    .form-container h1 {
        color: var(--color-text-primary-dark);
    }

    .required-indicator {
        color: #dc3545;
    }

    #contactDialog {
        background-color: var(--color-bg-dark);
        border-color: var(--color-border-dark);
        box-shadow: var(--color-card-shadow-dark);
    }

    .contact-form {
        
        fieldset {
            background-color: var(--color-card-bg-dark);
            border-color: var(--color-border-dark);
            box-shadow: var(--color-card-shadow-dark);
        }

        legend {
            color: var(--color-text-primary-dark);
        }

        label {
            color: var(--color-text-secondary-dark);
        }

        .char-counter {
            color: var(--color-text-secondary-dark);
        }

        .field-error {
            color: #ff6b6b;
        }

        input,
        textarea {
            background-color: var(--color-bg-alt-dark);
            color: var(--color-text-primary-dark);
            border-color: var(--color-border-dark);

            &::placeholder {
                color: var(--color-text-muted-dark);
            }
        }

        button[type="button"],
        button[type="reset"] {
            background-color: var(--color-border-dark);
            color: var(--color-text-secondary-dark);

            &:hover {
                background-color: var(--color-icon-hover-bg-dark);
            }
        }
    }

    .error-message {
        background-color: #5a1e24;
        color: #f8d7da;
        border-color: #842029;
    }

    .info-message {
        background-color: #0a3622;
        color: #d1e7dd;
        border-color: #0f5132;
    }
}

@media (max-width: 768px) {
    
    #contactDialog {
        width: 95%;
    }
    
    .contact-form {
        
        fieldset {
            padding: 1.5rem;
        }
        
        .form-buttons {
            flex-direction: column;
        }
        
        button {
            width: 100%;
        }
    }
}